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Finding the Fourth Proportional to 44.52, 67.04 and 43.96

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Solution

The fourth proportional to 44.52, 67.04 and 43.96 is: 66.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.52 : 67.04 = 43.96 : x
  2. Step 2: Convert to fraction form
    44.52/67.04 = 43.96/x
  3. Step 3: Cross multiply
    44.52x = 67.04 × 43.96
  4. Step 4: Simplify right side
    44.52x = 2,947.08
  5. Step 5: Solve for x
    x = 2,947.08/44.52
  6. Step 6: Final answer
    x = 66.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.