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Finding the Fourth Proportional to 16,764,529.20, 25,146,793.80 and 15,754,791.30

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Solution

The fourth proportional to 16,764,529.20, 25,146,793.80 and 15,754,791.30 is: 23,632,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764,529.20 : 25,146,793.80 = 15,754,791.30 : x
  2. Step 2: Convert to fraction form
    16,764,529.20/25,146,793.80 = 15,754,791.30/x
  3. Step 3: Cross multiply
    16,764,529.20x = 25,146,793.80 × 15,754,791.30
  4. Step 4: Simplify right side
    16,764,529.20x = 396,182,488,183,134
  5. Step 5: Solve for x
    x = 396,182,488,183,134/16,764,529.20
  6. Step 6: Final answer
    x = 23,632,186.95

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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.