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Finding the Fourth Proportional to 57.93, 79.89 and 44.07

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Solution

The fourth proportional to 57.93, 79.89 and 44.07 is: 60.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.93 : 79.89 = 44.07 : x
  2. Step 2: Convert to fraction form
    57.93/79.89 = 44.07/x
  3. Step 3: Cross multiply
    57.93x = 79.89 × 44.07
  4. Step 4: Simplify right side
    57.93x = 3,520.75
  5. Step 5: Solve for x
    x = 3,520.75/57.93
  6. Step 6: Final answer
    x = 60.78

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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.