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Finding the Fourth Proportional to 24.27, 36.44 and 18.93

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Solution

The fourth proportional to 24.27, 36.44 and 18.93 is: 28.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.27 : 36.44 = 18.93 : x
  2. Step 2: Convert to fraction form
    24.27/36.44 = 18.93/x
  3. Step 3: Cross multiply
    24.27x = 36.44 × 18.93
  4. Step 4: Simplify right side
    24.27x = 689.71
  5. Step 5: Solve for x
    x = 689.71/24.27
  6. Step 6: Final answer
    x = 28.42

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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.