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Finding the Fourth Proportional to 67.56, 101.28 and 24.82

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Solution

The fourth proportional to 67.56, 101.28 and 24.82 is: 37.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.56 : 101.28 = 24.82 : x
  2. Step 2: Convert to fraction form
    67.56/101.28 = 24.82/x
  3. Step 3: Cross multiply
    67.56x = 101.28 × 24.82
  4. Step 4: Simplify right side
    67.56x = 2,513.77
  5. Step 5: Solve for x
    x = 2,513.77/67.56
  6. Step 6: Final answer
    x = 37.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.