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Finding the Fourth Proportional to 44.75, 67.16 and 16.25

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Solution

The fourth proportional to 44.75, 67.16 and 16.25 is: 24.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.75 : 67.16 = 16.25 : x
  2. Step 2: Convert to fraction form
    44.75/67.16 = 16.25/x
  3. Step 3: Cross multiply
    44.75x = 67.16 × 16.25
  4. Step 4: Simplify right side
    44.75x = 1,091.27
  5. Step 5: Solve for x
    x = 1,091.27/44.75
  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.