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Finding the Fourth Proportional to 43.92, 60.56 and 33.04

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Solution

The fourth proportional to 43.92, 60.56 and 33.04 is: 45.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.92 : 60.56 = 33.04 : x
  2. Step 2: Convert to fraction form
    43.92/60.56 = 33.04/x
  3. Step 3: Cross multiply
    43.92x = 60.56 × 33.04
  4. Step 4: Simplify right side
    43.92x = 2,000.90
  5. Step 5: Solve for x
    x = 2,000.90/43.92
  6. Step 6: Final answer
    x = 45.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.