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Finding the Fourth Proportional to 24.44, 36.59 and 20.43

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Solution

The fourth proportional to 24.44, 36.59 and 20.43 is: 30.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.44 : 36.59 = 20.43 : x
  2. Step 2: Convert to fraction form
    24.44/36.59 = 20.43/x
  3. Step 3: Cross multiply
    24.44x = 36.59 × 20.43
  4. Step 4: Simplify right side
    24.44x = 747.43
  5. Step 5: Solve for x
    x = 747.43/24.44
  6. Step 6: Final answer
    x = 30.59

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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.