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Finding the Fourth Proportional to 33.56, 50.32 and 15.29

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Solution

The fourth proportional to 33.56, 50.32 and 15.29 is: 22.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.56 : 50.32 = 15.29 : x
  2. Step 2: Convert to fraction form
    33.56/50.32 = 15.29/x
  3. Step 3: Cross multiply
    33.56x = 50.32 × 15.29
  4. Step 4: Simplify right side
    33.56x = 769.10
  5. Step 5: Solve for x
    x = 769.10/33.56
  6. Step 6: Final answer
    x = 22.92

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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.