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Finding the Fourth Proportional to 32.26, 48.44 and 25.85

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Solution

The fourth proportional to 32.26, 48.44 and 25.85 is: 38.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.26 : 48.44 = 25.85 : x
  2. Step 2: Convert to fraction form
    32.26/48.44 = 25.85/x
  3. Step 3: Cross multiply
    32.26x = 48.44 × 25.85
  4. Step 4: Simplify right side
    32.26x = 1,251.80
  5. Step 5: Solve for x
    x = 1,251.80/32.26
  6. Step 6: Final answer
    x = 38.81

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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.