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Finding the Fourth Proportional to 58,757.52, 81,086.22 and 31,900.08

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Solution

The fourth proportional to 58,757.52, 81,086.22 and 31,900.08 is: 44,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,757.52 : 81,086.22 = 31,900.08 : x
  2. Step 2: Convert to fraction form
    58,757.52/81,086.22 = 31,900.08/x
  3. Step 3: Cross multiply
    58,757.52x = 81,086.22 × 31,900.08
  4. Step 4: Simplify right side
    58,757.52x = 2,586,656,904.90
  5. Step 5: Solve for x
    x = 2,586,656,904.90/58,757.52
  6. Step 6: Final answer
    x = 44,022.57

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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.