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Finding the Fourth Proportional to 24.81, 37.17 and 11.97

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Solution

The fourth proportional to 24.81, 37.17 and 11.97 is: 17.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.81 : 37.17 = 11.97 : x
  2. Step 2: Convert to fraction form
    24.81/37.17 = 11.97/x
  3. Step 3: Cross multiply
    24.81x = 37.17 × 11.97
  4. Step 4: Simplify right side
    24.81x = 444.92
  5. Step 5: Solve for x
    x = 444.92/24.81
  6. Step 6: Final answer
    x = 17.93

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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.