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Finding the Fourth Proportional to 58,744.68, 81,067.39 and 31,886.97

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Solution

The fourth proportional to 58,744.68, 81,067.39 and 31,886.97 is: 44,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,744.68 : 81,067.39 = 31,886.97 : x
  2. Step 2: Convert to fraction form
    58,744.68/81,067.39 = 31,886.97/x
  3. Step 3: Cross multiply
    58,744.68x = 81,067.39 × 31,886.97
  4. Step 4: Simplify right side
    58,744.68x = 2,584,993,432.91
  5. Step 5: Solve for x
    x = 2,584,993,432.91/58,744.68
  6. Step 6: Final answer
    x = 44,003.87

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Why These Related Problems?

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