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Finding the Fourth Proportional to 36.14, 49.86 and 22.33

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Solution

The fourth proportional to 36.14, 49.86 and 22.33 is: 30.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.14 : 49.86 = 22.33 : x
  2. Step 2: Convert to fraction form
    36.14/49.86 = 22.33/x
  3. Step 3: Cross multiply
    36.14x = 49.86 × 22.33
  4. Step 4: Simplify right side
    36.14x = 1,113.44
  5. Step 5: Solve for x
    x = 1,113.44/36.14
  6. Step 6: Final answer
    x = 30.81

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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.