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Finding the Fourth Proportional to 38.29, 52.81 and 24.46

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Solution

The fourth proportional to 38.29, 52.81 and 24.46 is: 33.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.29 : 52.81 = 24.46 : x
  2. Step 2: Convert to fraction form
    38.29/52.81 = 24.46/x
  3. Step 3: Cross multiply
    38.29x = 52.81 × 24.46
  4. Step 4: Simplify right side
    38.29x = 1,291.73
  5. Step 5: Solve for x
    x = 1,291.73/38.29
  6. Step 6: Final answer
    x = 33.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.