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Finding the Fourth Proportional to 49.91, 68.89 and 32.44

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Solution

The fourth proportional to 49.91, 68.89 and 32.44 is: 44.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.91 : 68.89 = 32.44 : x
  2. Step 2: Convert to fraction form
    49.91/68.89 = 32.44/x
  3. Step 3: Cross multiply
    49.91x = 68.89 × 32.44
  4. Step 4: Simplify right side
    49.91x = 2,234.45
  5. Step 5: Solve for x
    x = 2,234.45/49.91
  6. Step 6: Final answer
    x = 44.77

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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.