Finding the Fourth Proportional to 32,361,714.10, 48,542,571.15 and 19,662,987.70
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Solution
The fourth proportional to 32,361,714.10, 48,542,571.15 and 19,662,987.70 is: 29,494,481.55
Step by Step Solution
- Step 1: Write the proportion equation
32,361,714.10 : 48,542,571.15 = 19,662,987.70 : x - Step 2: Convert to fraction form
32,361,714.10/48,542,571.15 = 19,662,987.70/x - Step 3: Cross multiply
32,361,714.10x = 48,542,571.15 × 19,662,987.70 - Step 4: Simplify right side
32,361,714.10x = 954,491,979,448,824.75 - Step 5: Solve for x
x = 954,491,979,448,824.75/32,361,714.10 - Step 6: Final answer
x = 29,494,481.55
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.