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Finding the Fourth Proportional to 8,736,793.70, 13,105,190.55 and 2,347,691.90

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Solution

The fourth proportional to 8,736,793.70, 13,105,190.55 and 2,347,691.90 is: 3,521,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,793.70 : 13,105,190.55 = 2,347,691.90 : x
  2. Step 2: Convert to fraction form
    8,736,793.70/13,105,190.55 = 2,347,691.90/x
  3. Step 3: Cross multiply
    8,736,793.70x = 13,105,190.55 × 2,347,691.90
  4. Step 4: Simplify right side
    8,736,793.70x = 30,766,949,702,191.55
  5. Step 5: Solve for x
    x = 30,766,949,702,191.55/8,736,793.70
  6. Step 6: Final answer
    x = 3,521,537.85

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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.