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Finding the Fourth Proportional to 38, 57.04 and 24.42

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Solution

The fourth proportional to 38, 57.04 and 24.42 is: 36.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38 : 57.04 = 24.42 : x
  2. Step 2: Convert to fraction form
    38/57.04 = 24.42/x
  3. Step 3: Cross multiply
    38x = 57.04 × 24.42
  4. Step 4: Simplify right side
    38x = 1,392.92
  5. Step 5: Solve for x
    x = 1,392.92/38
  6. Step 6: Final answer
    x = 36.66

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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.