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Finding the Fourth Proportional to 66.92, 100.26 and 59.27

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Solution

The fourth proportional to 66.92, 100.26 and 59.27 is: 88.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.92 : 100.26 = 59.27 : x
  2. Step 2: Convert to fraction form
    66.92/100.26 = 59.27/x
  3. Step 3: Cross multiply
    66.92x = 100.26 × 59.27
  4. Step 4: Simplify right side
    66.92x = 5,941.91
  5. Step 5: Solve for x
    x = 5,941.91/66.92
  6. Step 6: Final answer
    x = 88.80

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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.