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Finding the Fourth Proportional to 24.71, 34.08 and 18.14

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Solution

The fourth proportional to 24.71, 34.08 and 18.14 is: 25.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.71 : 34.08 = 18.14 : x
  2. Step 2: Convert to fraction form
    24.71/34.08 = 18.14/x
  3. Step 3: Cross multiply
    24.71x = 34.08 × 18.14
  4. Step 4: Simplify right side
    24.71x = 618.22
  5. Step 5: Solve for x
    x = 618.22/24.71
  6. Step 6: Final answer
    x = 25.02

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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.