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X 10 proportional of y 5/4

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To find the value of X that is proportional to Y, we can set up a proportion:

X/Y = 10/(5/4)

To solve this proportion, we can multiply both sides by the reciprocal of (5/4), which is (4/5):

(X/Y) * (4/5) = 10

Simplifying, we have:

4X/5Y = 10

To isolate X, we can multiply both sides by (5Y/4):

(4X/5Y) * (5Y/4) = 10 * (5Y/4)

4X = 50Y/4

Simplifying further:

4X = 12.5Y

Finally, we can divide both sides by 4 to solve for X:

X = 12.5Y/4

Therefore, X is proportional to Y with a factor of 12.5/4 or 3.125.

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