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Finding the Fourth Proportional to 39.27, 58.86 and 16.44

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Solution

The fourth proportional to 39.27, 58.86 and 16.44 is: 24.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.27 : 58.86 = 16.44 : x
  2. Step 2: Convert to fraction form
    39.27/58.86 = 16.44/x
  3. Step 3: Cross multiply
    39.27x = 58.86 × 16.44
  4. Step 4: Simplify right side
    39.27x = 967.66
  5. Step 5: Solve for x
    x = 967.66/39.27
  6. Step 6: Final answer
    x = 24.64

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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.