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Finding the Fourth Proportional to 36.88, 55.24 and 22.41

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Solution

The fourth proportional to 36.88, 55.24 and 22.41 is: 33.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.88 : 55.24 = 22.41 : x
  2. Step 2: Convert to fraction form
    36.88/55.24 = 22.41/x
  3. Step 3: Cross multiply
    36.88x = 55.24 × 22.41
  4. Step 4: Simplify right side
    36.88x = 1,237.93
  5. Step 5: Solve for x
    x = 1,237.93/36.88
  6. Step 6: Final answer
    x = 33.57

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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.