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Finding the Fourth Proportional to 84,693.92, 127,041.04 and 25,546.52

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Solution

The fourth proportional to 84,693.92, 127,041.04 and 25,546.52 is: 38,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,693.92 : 127,041.04 = 25,546.52 : x
  2. Step 2: Convert to fraction form
    84,693.92/127,041.04 = 25,546.52/x
  3. Step 3: Cross multiply
    84,693.92x = 127,041.04 × 25,546.52
  4. Step 4: Simplify right side
    84,693.92x = 3,245,456,469.18
  5. Step 5: Solve for x
    x = 3,245,456,469.18/84,693.92
  6. Step 6: Final answer
    x = 38,319.83

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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.