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Finding the Fourth Proportional to 36.93, 55.37 and 22.49

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Solution

The fourth proportional to 36.93, 55.37 and 22.49 is: 33.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.93 : 55.37 = 22.49 : x
  2. Step 2: Convert to fraction form
    36.93/55.37 = 22.49/x
  3. Step 3: Cross multiply
    36.93x = 55.37 × 22.49
  4. Step 4: Simplify right side
    36.93x = 1,245.22
  5. Step 5: Solve for x
    x = 1,245.22/36.93
  6. Step 6: Final answer
    x = 33.72

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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.