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Finding the Fourth Proportional to 59.67, 89.52 and 39.41

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Solution

The fourth proportional to 59.67, 89.52 and 39.41 is: 59.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.67 : 89.52 = 39.41 : x
  2. Step 2: Convert to fraction form
    59.67/89.52 = 39.41/x
  3. Step 3: Cross multiply
    59.67x = 89.52 × 39.41
  4. Step 4: Simplify right side
    59.67x = 3,527.54
  5. Step 5: Solve for x
    x = 3,527.54/59.67
  6. Step 6: Final answer
    x = 59.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.