show that 30,40,45,60 are in proportion
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show that 30,40,45,60 are in proportion
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Step-by-step explanation:
yeah it is in proportion as the product of extreme is equal to product of means.
30×60 = 40×45
1800 =1800
or
yes they are in proportion
30*60=1800
40*45=1800
30:40=45:60
30*60=45*40
1800=1800