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Finding the Fourth Proportional to 60,004.52, 90,061.56 and 30,442.76

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Solution

The fourth proportional to 60,004.52, 90,061.56 and 30,442.76 is: 45,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,004.52 : 90,061.56 = 30,442.76 : x
  2. Step 2: Convert to fraction form
    60,004.52/90,061.56 = 30,442.76/x
  3. Step 3: Cross multiply
    60,004.52x = 90,061.56 × 30,442.76
  4. Step 4: Simplify right side
    60,004.52x = 2,741,722,456.31
  5. Step 5: Solve for x
    x = 2,741,722,456.31/60,004.52
  6. Step 6: Final answer
    x = 45,691.93

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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.