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Finding the Fourth Proportional to 67.56, 100.93 and 65.29

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Solution

The fourth proportional to 67.56, 100.93 and 65.29 is: 97.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.56 : 100.93 = 65.29 : x
  2. Step 2: Convert to fraction form
    67.56/100.93 = 65.29/x
  3. Step 3: Cross multiply
    67.56x = 100.93 × 65.29
  4. Step 4: Simplify right side
    67.56x = 6,589.72
  5. Step 5: Solve for x
    x = 6,589.72/67.56
  6. Step 6: Final answer
    x = 97.54

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.