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Finding the Fourth Proportional to 26.44, 39.67 and 24.20

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Solution

The fourth proportional to 26.44, 39.67 and 24.20 is: 36.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.44 : 39.67 = 24.20 : x
  2. Step 2: Convert to fraction form
    26.44/39.67 = 24.20/x
  3. Step 3: Cross multiply
    26.44x = 39.67 × 24.20
  4. Step 4: Simplify right side
    26.44x = 960.01
  5. Step 5: Solve for x
    x = 960.01/26.44
  6. Step 6: Final answer
    x = 36.31

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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.