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Finding the Fourth Proportional to 41.27, 61.85 and 33.17

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Solution

The fourth proportional to 41.27, 61.85 and 33.17 is: 49.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.27 : 61.85 = 33.17 : x
  2. Step 2: Convert to fraction form
    41.27/61.85 = 33.17/x
  3. Step 3: Cross multiply
    41.27x = 61.85 × 33.17
  4. Step 4: Simplify right side
    41.27x = 2,051.34
  5. Step 5: Solve for x
    x = 2,051.34/41.27
  6. Step 6: Final answer
    x = 49.70

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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.