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Finding the Fourth Proportional to 36.29, 50.11 and 22.48

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Solution

The fourth proportional to 36.29, 50.11 and 22.48 is: 31.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.29 : 50.11 = 22.48 : x
  2. Step 2: Convert to fraction form
    36.29/50.11 = 22.48/x
  3. Step 3: Cross multiply
    36.29x = 50.11 × 22.48
  4. Step 4: Simplify right side
    36.29x = 1,126.29
  5. Step 5: Solve for x
    x = 1,126.29/36.29
  6. Step 6: Final answer
    x = 31.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.