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Finding the Fourth Proportional to 16,609,515.60, 24,914,273.40 and 5,253,445.20

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Solution

The fourth proportional to 16,609,515.60, 24,914,273.40 and 5,253,445.20 is: 7,880,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,609,515.60 : 24,914,273.40 = 5,253,445.20 : x
  2. Step 2: Convert to fraction form
    16,609,515.60/24,914,273.40 = 5,253,445.20/x
  3. Step 3: Cross multiply
    16,609,515.60x = 24,914,273.40 × 5,253,445.20
  4. Step 4: Simplify right side
    16,609,515.60x = 130,885,770,004,717.67
  5. Step 5: Solve for x
    x = 130,885,770,004,717.67/16,609,515.60
  6. Step 6: Final answer
    x = 7,880,167.80

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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.