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Finding the Fourth Proportional to 58,610.92, 87,915.15 and 14,237.89

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Solution

The fourth proportional to 58,610.92, 87,915.15 and 14,237.89 is: 21,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,610.92 : 87,915.15 = 14,237.89 : x
  2. Step 2: Convert to fraction form
    58,610.92/87,915.15 = 14,237.89/x
  3. Step 3: Cross multiply
    58,610.92x = 87,915.15 × 14,237.89
  4. Step 4: Simplify right side
    58,610.92x = 1,251,726,235.03
  5. Step 5: Solve for x
    x = 1,251,726,235.03/58,610.92
  6. Step 6: Final answer
    x = 21,356.54

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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.