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Finding the Fourth Proportional to 32,679,934.20, 49,019,901.30 and 8,745,406.20

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Solution

The fourth proportional to 32,679,934.20, 49,019,901.30 and 8,745,406.20 is: 13,118,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679,934.20 : 49,019,901.30 = 8,745,406.20 : x
  2. Step 2: Convert to fraction form
    32,679,934.20/49,019,901.30 = 8,745,406.20/x
  3. Step 3: Cross multiply
    32,679,934.20x = 49,019,901.30 × 8,745,406.20
  4. Step 4: Simplify right side
    32,679,934.20x = 428,698,948,752,408
  5. Step 5: Solve for x
    x = 428,698,948,752,408/32,679,934.20
  6. Step 6: Final answer
    x = 13,118,109.30

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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.