Finding the Fourth Proportional to 7,600,685.26, 10,489,115.40 and 4,337,435.02
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Solution
The fourth proportional to 7,600,685.26, 10,489,115.40 and 4,337,435.02 is: 5,985,757.19
Step by Step Solution
- Step 1: Write the proportion equation
7,600,685.26 : 10,489,115.40 = 4,337,435.02 : x - Step 2: Convert to fraction form
7,600,685.26/10,489,115.40 = 4,337,435.02/x - Step 3: Cross multiply
7,600,685.26x = 10,489,115.40 × 4,337,435.02 - Step 4: Simplify right side
7,600,685.26x = 45,495,856,464,781.30 - Step 5: Solve for x
x = 45,495,856,464,781.30/7,600,685.26 - Step 6: Final answer
x = 5,985,757.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.