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Finding the Fourth Proportional to 24.01, 36 and 20.44

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Solution

The fourth proportional to 24.01, 36 and 20.44 is: 30.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.01 : 36 = 20.44 : x
  2. Step 2: Convert to fraction form
    24.01/36 = 20.44/x
  3. Step 3: Cross multiply
    24.01x = 36 × 20.44
  4. Step 4: Simplify right side
    24.01x = 735.84
  5. Step 5: Solve for x
    x = 735.84/24.01
  6. Step 6: Final answer
    x = 30.65

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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.