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Finding the Fourth Proportional to 8,536,209.60, 12,813,645.60 and 5,344,939.20

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Solution

The fourth proportional to 8,536,209.60, 12,813,645.60 and 5,344,939.20 is: 8,023,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536,209.60 : 12,813,645.60 = 5,344,939.20 : x
  2. Step 2: Convert to fraction form
    8,536,209.60/12,813,645.60 = 5,344,939.20/x
  3. Step 3: Cross multiply
    8,536,209.60x = 12,813,645.60 × 5,344,939.20
  4. Step 4: Simplify right side
    8,536,209.60x = 68,488,156,662,347.52
  5. Step 5: Solve for x
    x = 68,488,156,662,347.52/8,536,209.60
  6. Step 6: Final answer
    x = 8,023,251.52

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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.