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Finding the Fourth Proportional to 63.29, 94.94 and 24.79

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Solution

The fourth proportional to 63.29, 94.94 and 24.79 is: 37.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.29 : 94.94 = 24.79 : x
  2. Step 2: Convert to fraction form
    63.29/94.94 = 24.79/x
  3. Step 3: Cross multiply
    63.29x = 94.94 × 24.79
  4. Step 4: Simplify right side
    63.29x = 2,353.56
  5. Step 5: Solve for x
    x = 2,353.56/63.29
  6. Step 6: Final answer
    x = 37.19

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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.