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Finding the Fourth Proportional to 49.31, 68.00 and 44.97

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Solution

The fourth proportional to 49.31, 68.00 and 44.97 is: 62.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.31 : 68.00 = 44.97 : x
  2. Step 2: Convert to fraction form
    49.31/68.00 = 44.97/x
  3. Step 3: Cross multiply
    49.31x = 68.00 × 44.97
  4. Step 4: Simplify right side
    49.31x = 3,057.74
  5. Step 5: Solve for x
    x = 3,057.74/49.31
  6. Step 6: Final answer
    x = 62.02

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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.