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Finding the Fourth Proportional to 16,855,826.80, 25,283,740.20 and 15,060,737.20

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Solution

The fourth proportional to 16,855,826.80, 25,283,740.20 and 15,060,737.20 is: 22,591,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855,826.80 : 25,283,740.20 = 15,060,737.20 : x
  2. Step 2: Convert to fraction form
    16,855,826.80/25,283,740.20 = 15,060,737.20/x
  3. Step 3: Cross multiply
    16,855,826.80x = 25,283,740.20 × 15,060,737.20
  4. Step 4: Simplify right side
    16,855,826.80x = 380,791,766,585,275.44
  5. Step 5: Solve for x
    x = 380,791,766,585,275.44/16,855,826.80
  6. Step 6: Final answer
    x = 22,591,105.80

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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.