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Finding the Fourth Proportional to 16,664,279.20, 24,997,801.20 and 5,304,407.20

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Solution

The fourth proportional to 16,664,279.20, 24,997,801.20 and 5,304,407.20 is: 7,957,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664,279.20 : 24,997,801.20 = 5,304,407.20 : x
  2. Step 2: Convert to fraction form
    16,664,279.20/24,997,801.20 = 5,304,407.20/x
  3. Step 3: Cross multiply
    16,664,279.20x = 24,997,801.20 × 5,304,407.20
  4. Step 4: Simplify right side
    16,664,279.20x = 132,598,516,669,448.64
  5. Step 5: Solve for x
    x = 132,598,516,669,448.64/16,664,279.20
  6. Step 6: Final answer
    x = 7,957,050.83

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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.