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Finding the Fourth Proportional to 67.74, 101.49 and 37.32

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Solution

The fourth proportional to 67.74, 101.49 and 37.32 is: 55.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.74 : 101.49 = 37.32 : x
  2. Step 2: Convert to fraction form
    67.74/101.49 = 37.32/x
  3. Step 3: Cross multiply
    67.74x = 101.49 × 37.32
  4. Step 4: Simplify right side
    67.74x = 3,787.61
  5. Step 5: Solve for x
    x = 3,787.61/67.74
  6. Step 6: Final answer
    x = 55.91

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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.