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Finding the Fourth Proportional to 8,869,660.60, 13,304,490.90 and 5,840,446.90

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Solution

The fourth proportional to 8,869,660.60, 13,304,490.90 and 5,840,446.90 is: 8,760,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,660.60 : 13,304,490.90 = 5,840,446.90 : x
  2. Step 2: Convert to fraction form
    8,869,660.60/13,304,490.90 = 5,840,446.90/x
  3. Step 3: Cross multiply
    8,869,660.60x = 13,304,490.90 × 5,840,446.90
  4. Step 4: Simplify right side
    8,869,660.60x = 77,704,172,632,983.22
  5. Step 5: Solve for x
    x = 77,704,172,632,983.22/8,869,660.60
  6. Step 6: Final answer
    x = 8,760,670.35

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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.