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Finding the Fourth Proportional to 57.91, 80.00 and 44.83

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Solution

The fourth proportional to 57.91, 80.00 and 44.83 is: 61.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.91 : 80.00 = 44.83 : x
  2. Step 2: Convert to fraction form
    57.91/80.00 = 44.83/x
  3. Step 3: Cross multiply
    57.91x = 80.00 × 44.83
  4. Step 4: Simplify right side
    57.91x = 3,586.28
  5. Step 5: Solve for x
    x = 3,586.28/57.91
  6. Step 6: Final answer
    x = 61.93

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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.