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Finding the Fourth Proportional to 36.01, 54.01 and 11.96

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Solution

The fourth proportional to 36.01, 54.01 and 11.96 is: 17.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.01 : 54.01 = 11.96 : x
  2. Step 2: Convert to fraction form
    36.01/54.01 = 11.96/x
  3. Step 3: Cross multiply
    36.01x = 54.01 × 11.96
  4. Step 4: Simplify right side
    36.01x = 645.63
  5. Step 5: Solve for x
    x = 645.63/36.01
  6. Step 6: Final answer
    x = 17.93

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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.