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Finding the Fourth Proportional to 39.11, 58.62 and 16.27

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Solution

The fourth proportional to 39.11, 58.62 and 16.27 is: 24.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.11 : 58.62 = 16.27 : x
  2. Step 2: Convert to fraction form
    39.11/58.62 = 16.27/x
  3. Step 3: Cross multiply
    39.11x = 58.62 × 16.27
  4. Step 4: Simplify right side
    39.11x = 953.75
  5. Step 5: Solve for x
    x = 953.75/39.11
  6. Step 6: Final answer
    x = 24.39

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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.