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Finding the Fourth Proportional to 60,391.62, 90,558.17 and 25,321.86

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Solution

The fourth proportional to 60,391.62, 90,558.17 and 25,321.86 is: 37,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,391.62 : 90,558.17 = 25,321.86 : x
  2. Step 2: Convert to fraction form
    60,391.62/90,558.17 = 25,321.86/x
  3. Step 3: Cross multiply
    60,391.62x = 90,558.17 × 25,321.86
  4. Step 4: Simplify right side
    60,391.62x = 2,293,101,302.60
  5. Step 5: Solve for x
    x = 2,293,101,302.60/60,391.62
  6. Step 6: Final answer
    x = 37,970.52

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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.