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Finding the Fourth Proportional to 49,068, 67,721.52 and 29,207.52

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Solution

The fourth proportional to 49,068, 67,721.52 and 29,207.52 is: 40,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,068 : 67,721.52 = 29,207.52 : x
  2. Step 2: Convert to fraction form
    49,068/67,721.52 = 29,207.52/x
  3. Step 3: Cross multiply
    49,068x = 67,721.52 × 29,207.52
  4. Step 4: Simplify right side
    49,068x = 1,977,977,649.83
  5. Step 5: Solve for x
    x = 1,977,977,649.83/49,068
  6. Step 6: Final answer
    x = 40,310.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.