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Finding the Fourth Proportional to 24.62, 33.92 and 23.15

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Solution

The fourth proportional to 24.62, 33.92 and 23.15 is: 31.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.62 : 33.92 = 23.15 : x
  2. Step 2: Convert to fraction form
    24.62/33.92 = 23.15/x
  3. Step 3: Cross multiply
    24.62x = 33.92 × 23.15
  4. Step 4: Simplify right side
    24.62x = 785.30
  5. Step 5: Solve for x
    x = 785.30/24.62
  6. Step 6: Final answer
    x = 31.90

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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.