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Finding the Fourth Proportional to 33.24, 49.79 and 29.13

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Solution

The fourth proportional to 33.24, 49.79 and 29.13 is: 43.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.24 : 49.79 = 29.13 : x
  2. Step 2: Convert to fraction form
    33.24/49.79 = 29.13/x
  3. Step 3: Cross multiply
    33.24x = 49.79 × 29.13
  4. Step 4: Simplify right side
    33.24x = 1,450.24
  5. Step 5: Solve for x
    x = 1,450.24/33.24
  6. Step 6: Final answer
    x = 43.63

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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.