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Finding the Fourth Proportional to 46.28, 63.92 and 44.48

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Solution

The fourth proportional to 46.28, 63.92 and 44.48 is: 61.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.28 : 63.92 = 44.48 : x
  2. Step 2: Convert to fraction form
    46.28/63.92 = 44.48/x
  3. Step 3: Cross multiply
    46.28x = 63.92 × 44.48
  4. Step 4: Simplify right side
    46.28x = 2,843.16
  5. Step 5: Solve for x
    x = 2,843.16/46.28
  6. Step 6: Final answer
    x = 61.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.