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Finding the Fourth Proportional to 33.11, 49.42 and 29.27

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Solution

The fourth proportional to 33.11, 49.42 and 29.27 is: 43.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.11 : 49.42 = 29.27 : x
  2. Step 2: Convert to fraction form
    33.11/49.42 = 29.27/x
  3. Step 3: Cross multiply
    33.11x = 49.42 × 29.27
  4. Step 4: Simplify right side
    33.11x = 1,446.13
  5. Step 5: Solve for x
    x = 1,446.13/33.11
  6. Step 6: Final answer
    x = 43.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.