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Finding the Fourth Proportional to 33.73, 50.65 and 25.61

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Solution

The fourth proportional to 33.73, 50.65 and 25.61 is: 38.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.73 : 50.65 = 25.61 : x
  2. Step 2: Convert to fraction form
    33.73/50.65 = 25.61/x
  3. Step 3: Cross multiply
    33.73x = 50.65 × 25.61
  4. Step 4: Simplify right side
    33.73x = 1,297.15
  5. Step 5: Solve for x
    x = 1,297.15/33.73
  6. Step 6: Final answer
    x = 38.46

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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.