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Finding the Fourth Proportional to 24.91, 34.39 and 16.73

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Solution

The fourth proportional to 24.91, 34.39 and 16.73 is: 23.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.91 : 34.39 = 16.73 : x
  2. Step 2: Convert to fraction form
    24.91/34.39 = 16.73/x
  3. Step 3: Cross multiply
    24.91x = 34.39 × 16.73
  4. Step 4: Simplify right side
    24.91x = 575.34
  5. Step 5: Solve for x
    x = 575.34/24.91
  6. Step 6: Final answer
    x = 23.10

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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.