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The volume of a spherical balloon with radius 2.6 cm is about 74 cm3. Estimate the volume of a similar balloon with radius 10,4 cm,

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To find the volume of a similar ballon with radius 10.4 cm, we will simply take the proportion

Let v be the volume of the similar ballon;


(74)/(v)=(2.6)/(10.4)

Cross -multiply


2.6v\text{ = 769.6}

Divide both-side by 2.6


v=296\operatorname{cm}^3

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