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Finding the Fourth Proportional to 59.62, 89.44 and 27.11

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Solution

The fourth proportional to 59.62, 89.44 and 27.11 is: 40.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.62 : 89.44 = 27.11 : x
  2. Step 2: Convert to fraction form
    59.62/89.44 = 27.11/x
  3. Step 3: Cross multiply
    59.62x = 89.44 × 27.11
  4. Step 4: Simplify right side
    59.62x = 2,424.27
  5. Step 5: Solve for x
    x = 2,424.27/59.62
  6. Step 6: Final answer
    x = 40.66

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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.