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Finding the Fourth Proportional to 36.11, 54.17 and 35.98

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Solution

The fourth proportional to 36.11, 54.17 and 35.98 is: 53.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.11 : 54.17 = 35.98 : x
  2. Step 2: Convert to fraction form
    36.11/54.17 = 35.98/x
  3. Step 3: Cross multiply
    36.11x = 54.17 × 35.98
  4. Step 4: Simplify right side
    36.11x = 1,949.04
  5. Step 5: Solve for x
    x = 1,949.04/36.11
  6. Step 6: Final answer
    x = 53.97

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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.