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Finding the Fourth Proportional to 41.96, 63.12 and 36.92

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Solution

The fourth proportional to 41.96, 63.12 and 36.92 is: 55.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.96 : 63.12 = 36.92 : x
  2. Step 2: Convert to fraction form
    41.96/63.12 = 36.92/x
  3. Step 3: Cross multiply
    41.96x = 63.12 × 36.92
  4. Step 4: Simplify right side
    41.96x = 2,330.39
  5. Step 5: Solve for x
    x = 2,330.39/41.96
  6. Step 6: Final answer
    x = 55.54

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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.