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Finding the Fourth Proportional to 24.73, 34.13 and 13.81

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Solution

The fourth proportional to 24.73, 34.13 and 13.81 is: 19.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.73 : 34.13 = 13.81 : x
  2. Step 2: Convert to fraction form
    24.73/34.13 = 13.81/x
  3. Step 3: Cross multiply
    24.73x = 34.13 × 13.81
  4. Step 4: Simplify right side
    24.73x = 471.34
  5. Step 5: Solve for x
    x = 471.34/24.73
  6. Step 6: Final answer
    x = 19.06

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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.