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Finding the Fourth Proportional to 8,869,679.60, 13,304,519.40 and 5,840,465.90

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Solution

The fourth proportional to 8,869,679.60, 13,304,519.40 and 5,840,465.90 is: 8,760,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,679.60 : 13,304,519.40 = 5,840,465.90 : x
  2. Step 2: Convert to fraction form
    8,869,679.60/13,304,519.40 = 5,840,465.90/x
  3. Step 3: Cross multiply
    8,869,679.60x = 13,304,519.40 × 5,840,465.90
  4. Step 4: Simplify right side
    8,869,679.60x = 77,704,591,871,588.47
  5. Step 5: Solve for x
    x = 77,704,591,871,588.47/8,869,679.60
  6. Step 6: Final answer
    x = 8,760,698.85

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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.