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Finding the Fourth Proportional to 67.56, 101.32 and 24.22

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Solution

The fourth proportional to 67.56, 101.32 and 24.22 is: 36.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.56 : 101.32 = 24.22 : x
  2. Step 2: Convert to fraction form
    67.56/101.32 = 24.22/x
  3. Step 3: Cross multiply
    67.56x = 101.32 × 24.22
  4. Step 4: Simplify right side
    67.56x = 2,453.97
  5. Step 5: Solve for x
    x = 2,453.97/67.56
  6. Step 6: Final answer
    x = 36.32

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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.