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Finding the Fourth Proportional to 36.73, 50.92 and 34.68

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Solution

The fourth proportional to 36.73, 50.92 and 34.68 is: 48.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.73 : 50.92 = 34.68 : x
  2. Step 2: Convert to fraction form
    36.73/50.92 = 34.68/x
  3. Step 3: Cross multiply
    36.73x = 50.92 × 34.68
  4. Step 4: Simplify right side
    36.73x = 1,765.82
  5. Step 5: Solve for x
    x = 1,765.82/36.73
  6. Step 6: Final answer
    x = 48.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.