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Finding the Fourth Proportional to 39.44, 59.12 and 16.62

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Solution

The fourth proportional to 39.44, 59.12 and 16.62 is: 24.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.44 : 59.12 = 16.62 : x
  2. Step 2: Convert to fraction form
    39.44/59.12 = 16.62/x
  3. Step 3: Cross multiply
    39.44x = 59.12 × 16.62
  4. Step 4: Simplify right side
    39.44x = 982.57
  5. Step 5: Solve for x
    x = 982.57/39.44
  6. Step 6: Final answer
    x = 24.91

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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.