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Finding the Fourth Proportional to 33.27, 49.65 and 29.42

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Solution

The fourth proportional to 33.27, 49.65 and 29.42 is: 43.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.27 : 49.65 = 29.42 : x
  2. Step 2: Convert to fraction form
    33.27/49.65 = 29.42/x
  3. Step 3: Cross multiply
    33.27x = 49.65 × 29.42
  4. Step 4: Simplify right side
    33.27x = 1,460.75
  5. Step 5: Solve for x
    x = 1,460.75/33.27
  6. Step 6: Final answer
    x = 43.91

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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.