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Finding the Fourth Proportional to 44.92, 67.42 and 44.34

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Solution

The fourth proportional to 44.92, 67.42 and 44.34 is: 66.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.92 : 67.42 = 44.34 : x
  2. Step 2: Convert to fraction form
    44.92/67.42 = 44.34/x
  3. Step 3: Cross multiply
    44.92x = 67.42 × 44.34
  4. Step 4: Simplify right side
    44.92x = 2,989.40
  5. Step 5: Solve for x
    x = 2,989.40/44.92
  6. Step 6: Final answer
    x = 66.55

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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.