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Finding the Fourth Proportional to 49.41, 74.36 and 44.44

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Solution

The fourth proportional to 49.41, 74.36 and 44.44 is: 66.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.41 : 74.36 = 44.44 : x
  2. Step 2: Convert to fraction form
    49.41/74.36 = 44.44/x
  3. Step 3: Cross multiply
    49.41x = 74.36 × 44.44
  4. Step 4: Simplify right side
    49.41x = 3,304.48
  5. Step 5: Solve for x
    x = 3,304.48/49.41
  6. Step 6: Final answer
    x = 66.88

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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.