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Finding the Fourth Proportional to 36.82, 55.24 and 16.55

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Solution

The fourth proportional to 36.82, 55.24 and 16.55 is: 24.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.82 : 55.24 = 16.55 : x
  2. Step 2: Convert to fraction form
    36.82/55.24 = 16.55/x
  3. Step 3: Cross multiply
    36.82x = 55.24 × 16.55
  4. Step 4: Simplify right side
    36.82x = 914.22
  5. Step 5: Solve for x
    x = 914.22/36.82
  6. Step 6: Final answer
    x = 24.83

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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.