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Finding the Fourth Proportional to 58,862.92, 81,231.42 and 33,711.88

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Solution

The fourth proportional to 58,862.92, 81,231.42 and 33,711.88 is: 46,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,862.92 : 81,231.42 = 33,711.88 : x
  2. Step 2: Convert to fraction form
    58,862.92/81,231.42 = 33,711.88/x
  3. Step 3: Cross multiply
    58,862.92x = 81,231.42 × 33,711.88
  4. Step 4: Simplify right side
    58,862.92x = 2,738,463,883.27
  5. Step 5: Solve for x
    x = 2,738,463,883.27/58,862.92
  6. Step 6: Final answer
    x = 46,522.73

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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.