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5 votes
Find the missing number in this proportion 63/21=9/?

User Vietean
by
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1 Answer

6 votes

Answer:

let missing number be x

63/21=9/x

or. 63x=9*21

or 63x=189

or x=189/63

or x=3

. missing number of this proportion=3

User Diego Borba
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