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Finding the Fourth Proportional to 24.77, 34.17 and 16.58

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Solution

The fourth proportional to 24.77, 34.17 and 16.58 is: 22.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.77 : 34.17 = 16.58 : x
  2. Step 2: Convert to fraction form
    24.77/34.17 = 16.58/x
  3. Step 3: Cross multiply
    24.77x = 34.17 × 16.58
  4. Step 4: Simplify right side
    24.77x = 566.56
  5. Step 5: Solve for x
    x = 566.56/24.77
  6. Step 6: Final answer
    x = 22.87

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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.