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Finding the Fourth Proportional to 44.73, 67.11 and 15.84

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Solution

The fourth proportional to 44.73, 67.11 and 15.84 is: 23.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.73 : 67.11 = 15.84 : x
  2. Step 2: Convert to fraction form
    44.73/67.11 = 15.84/x
  3. Step 3: Cross multiply
    44.73x = 67.11 × 15.84
  4. Step 4: Simplify right side
    44.73x = 1,063.08
  5. Step 5: Solve for x
    x = 1,063.08/44.73
  6. Step 6: Final answer
    x = 23.77

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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.