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Question
State whether the following are in proportion:
10 : 21 :: 4 : 8.4
Sum
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Solution
`10/21` = 0.47619
`4/8.4` = 0.47619
Since both values are equal.
10 : 21 :: 4 : 8.4 are in proportion.
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Chapter 7: Ratio and proportion - Exercise 7B [Page 125]
