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Finding the Fourth Proportional to 60,441.92, 90,607.28 and 32,381.28

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Solution

The fourth proportional to 60,441.92, 90,607.28 and 32,381.28 is: 48,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,441.92 : 90,607.28 = 32,381.28 : x
  2. Step 2: Convert to fraction form
    60,441.92/90,607.28 = 32,381.28/x
  3. Step 3: Cross multiply
    60,441.92x = 90,607.28 × 32,381.28
  4. Step 4: Simplify right side
    60,441.92x = 2,933,979,703.72
  5. Step 5: Solve for x
    x = 2,933,979,703.72/60,441.92
  6. Step 6: Final answer
    x = 48,542.13

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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.