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Finding the Fourth Proportional to 33.91, 50.86 and 29.88

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Solution

The fourth proportional to 33.91, 50.86 and 29.88 is: 44.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.91 : 50.86 = 29.88 : x
  2. Step 2: Convert to fraction form
    33.91/50.86 = 29.88/x
  3. Step 3: Cross multiply
    33.91x = 50.86 × 29.88
  4. Step 4: Simplify right side
    33.91x = 1,519.70
  5. Step 5: Solve for x
    x = 1,519.70/33.91
  6. Step 6: Final answer
    x = 44.82

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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.