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Finding the Fourth Proportional to 36.82, 55.22 and 16.53

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Solution

The fourth proportional to 36.82, 55.22 and 16.53 is: 24.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.82 : 55.22 = 16.53 : x
  2. Step 2: Convert to fraction form
    36.82/55.22 = 16.53/x
  3. Step 3: Cross multiply
    36.82x = 55.22 × 16.53
  4. Step 4: Simplify right side
    36.82x = 912.70
  5. Step 5: Solve for x
    x = 912.70/36.82
  6. Step 6: Final answer
    x = 24.79

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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.