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Finding the Fourth Proportional to 41,129.80, 61,694.70 and 29,465.80

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Solution

The fourth proportional to 41,129.80, 61,694.70 and 29,465.80 is: 44,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,129.80 : 61,694.70 = 29,465.80 : x
  2. Step 2: Convert to fraction form
    41,129.80/61,694.70 = 29,465.80/x
  3. Step 3: Cross multiply
    41,129.80x = 61,694.70 × 29,465.80
  4. Step 4: Simplify right side
    41,129.80x = 1,817,883,691.26
  5. Step 5: Solve for x
    x = 1,817,883,691.26/41,129.80
  6. Step 6: Final answer
    x = 44,198.70

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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.