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Finding the Fourth Proportional to 23.92, 35.84 and 17.18

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Solution

The fourth proportional to 23.92, 35.84 and 17.18 is: 25.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.92 : 35.84 = 17.18 : x
  2. Step 2: Convert to fraction form
    23.92/35.84 = 17.18/x
  3. Step 3: Cross multiply
    23.92x = 35.84 × 17.18
  4. Step 4: Simplify right side
    23.92x = 615.73
  5. Step 5: Solve for x
    x = 615.73/23.92
  6. Step 6: Final answer
    x = 25.74

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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.