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11-05-2017
Mathematics

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

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prajwolbohara12 prajwolbohara12

08-10-2019

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

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