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Finding the Fourth Proportional to 67.65, 101.43 and 44.82

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Solution

The fourth proportional to 67.65, 101.43 and 44.82 is: 67.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.65 : 101.43 = 44.82 : x
  2. Step 2: Convert to fraction form
    67.65/101.43 = 44.82/x
  3. Step 3: Cross multiply
    67.65x = 101.43 × 44.82
  4. Step 4: Simplify right side
    67.65x = 4,546.09
  5. Step 5: Solve for x
    x = 4,546.09/67.65
  6. Step 6: Final answer
    x = 67.20

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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.