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Finding the Fourth Proportional to 16,608,665.70, 24,912,998.55 and 13,916,031.30

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Solution

The fourth proportional to 16,608,665.70, 24,912,998.55 and 13,916,031.30 is: 20,874,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608,665.70 : 24,912,998.55 = 13,916,031.30 : x
  2. Step 2: Convert to fraction form
    16,608,665.70/24,912,998.55 = 13,916,031.30/x
  3. Step 3: Cross multiply
    16,608,665.70x = 24,912,998.55 × 13,916,031.30
  4. Step 4: Simplify right side
    16,608,665.70x = 346,690,067,598,654.62
  5. Step 5: Solve for x
    x = 346,690,067,598,654.62/16,608,665.70
  6. Step 6: Final answer
    x = 20,874,046.95

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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.