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Finding the Fourth Proportional to 44.97, 67.94 and 44.54

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Solution

The fourth proportional to 44.97, 67.94 and 44.54 is: 67.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.97 : 67.94 = 44.54 : x
  2. Step 2: Convert to fraction form
    44.97/67.94 = 44.54/x
  3. Step 3: Cross multiply
    44.97x = 67.94 × 44.54
  4. Step 4: Simplify right side
    44.97x = 3,025.49
  5. Step 5: Solve for x
    x = 3,025.49/44.97
  6. Step 6: Final answer
    x = 67.28

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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.