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Finding the Fourth Proportional to 36.44, 54.60 and 22.86

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Solution

The fourth proportional to 36.44, 54.60 and 22.86 is: 34.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.44 : 54.60 = 22.86 : x
  2. Step 2: Convert to fraction form
    36.44/54.60 = 22.86/x
  3. Step 3: Cross multiply
    36.44x = 54.60 × 22.86
  4. Step 4: Simplify right side
    36.44x = 1,248.16
  5. Step 5: Solve for x
    x = 1,248.16/36.44
  6. Step 6: Final answer
    x = 34.26

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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.