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Finding the Fourth Proportional to 58,789.31, 88,237.02 and 39,767.94

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Solution

The fourth proportional to 58,789.31, 88,237.02 and 39,767.94 is: 59,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,789.31 : 88,237.02 = 39,767.94 : x
  2. Step 2: Convert to fraction form
    58,789.31/88,237.02 = 39,767.94/x
  3. Step 3: Cross multiply
    58,789.31x = 88,237.02 × 39,767.94
  4. Step 4: Simplify right side
    58,789.31x = 3,509,004,517.14
  5. Step 5: Solve for x
    x = 3,509,004,517.14/58,789.31
  6. Step 6: Final answer
    x = 59,687.80

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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.