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Finding the Fourth Proportional to 67.59, 101.22 and 37.15

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Solution

The fourth proportional to 67.59, 101.22 and 37.15 is: 55.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.59 : 101.22 = 37.15 : x
  2. Step 2: Convert to fraction form
    67.59/101.22 = 37.15/x
  3. Step 3: Cross multiply
    67.59x = 101.22 × 37.15
  4. Step 4: Simplify right side
    67.59x = 3,759.93
  5. Step 5: Solve for x
    x = 3,759.93/67.59
  6. Step 6: Final answer
    x = 55.63

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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.