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Finding the Fourth Proportional to 24.27, 36.40 and 11.43

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Solution

The fourth proportional to 24.27, 36.40 and 11.43 is: 17.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.27 : 36.40 = 11.43 : x
  2. Step 2: Convert to fraction form
    24.27/36.40 = 11.43/x
  3. Step 3: Cross multiply
    24.27x = 36.40 × 11.43
  4. Step 4: Simplify right side
    24.27x = 416.05
  5. Step 5: Solve for x
    x = 416.05/24.27
  6. Step 6: Final answer
    x = 17.14

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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.