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Finding the Fourth Proportional to 36.62, 54.96 and 15.26

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Solution

The fourth proportional to 36.62, 54.96 and 15.26 is: 22.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.62 : 54.96 = 15.26 : x
  2. Step 2: Convert to fraction form
    36.62/54.96 = 15.26/x
  3. Step 3: Cross multiply
    36.62x = 54.96 × 15.26
  4. Step 4: Simplify right side
    36.62x = 838.69
  5. Step 5: Solve for x
    x = 838.69/36.62
  6. Step 6: Final answer
    x = 22.90

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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.