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Finding the Fourth Proportional to 36.67, 50.60 and 22.85

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Solution

The fourth proportional to 36.67, 50.60 and 22.85 is: 31.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.67 : 50.60 = 22.85 : x
  2. Step 2: Convert to fraction form
    36.67/50.60 = 22.85/x
  3. Step 3: Cross multiply
    36.67x = 50.60 × 22.85
  4. Step 4: Simplify right side
    36.67x = 1,156.21
  5. Step 5: Solve for x
    x = 1,156.21/36.67
  6. Step 6: Final answer
    x = 31.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.