Question

what must be subtracted from each of the nunber 17,25,31,47 so that the remainder scmay be in proportion​

Answer 1

Step-by-step explanation:

let x be the number that need to be subtracted from these numbers to make it proportional.

The new numbers will be 7−x,17−x,47−x

Since these numbers should be proportional,

7−x17−x=17−x47−x

By simplification we get,

(17−x)(17−x)=(47−x)(7−x)

x2−34x+289=329+x2−54x

20x=40⇒x=2

The new numbers will be 5,15,45

′2 ′  is the least number to be subtracted so that the numbers will be in proportional.

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