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Finding the Fourth Proportional to 39.14, 58.71 and 16.33

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Solution

The fourth proportional to 39.14, 58.71 and 16.33 is: 24.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.14 : 58.71 = 16.33 : x
  2. Step 2: Convert to fraction form
    39.14/58.71 = 16.33/x
  3. Step 3: Cross multiply
    39.14x = 58.71 × 16.33
  4. Step 4: Simplify right side
    39.14x = 958.69
  5. Step 5: Solve for x
    x = 958.69/39.14
  6. Step 6: Final answer
    x = 24.49

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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.