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Finding the Fourth Proportional to 60,369.68, 90,542.54 and 30,375.92

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Solution

The fourth proportional to 60,369.68, 90,542.54 and 30,375.92 is: 45,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,369.68 : 90,542.54 = 30,375.92 : x
  2. Step 2: Convert to fraction form
    60,369.68/90,542.54 = 30,375.92/x
  3. Step 3: Cross multiply
    60,369.68x = 90,542.54 × 30,375.92
  4. Step 4: Simplify right side
    60,369.68x = 2,750,312,951.64
  5. Step 5: Solve for x
    x = 2,750,312,951.64/60,369.68
  6. Step 6: Final answer
    x = 45,557.85

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1.5x scale

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.