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Finding the Fourth Proportional to 8,167,404.60, 12,251,106.90 and 2,486,890.80

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Solution

The fourth proportional to 8,167,404.60, 12,251,106.90 and 2,486,890.80 is: 3,730,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,404.60 : 12,251,106.90 = 2,486,890.80 : x
  2. Step 2: Convert to fraction form
    8,167,404.60/12,251,106.90 = 2,486,890.80/x
  3. Step 3: Cross multiply
    8,167,404.60x = 12,251,106.90 × 2,486,890.80
  4. Step 4: Simplify right side
    8,167,404.60x = 30,467,165,039,426.52
  5. Step 5: Solve for x
    x = 30,467,165,039,426.52/8,167,404.60
  6. Step 6: Final answer
    x = 3,730,336.20

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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.