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Finding the Fourth Proportional to 5,754.73, 8,625.89 and 2,786.89

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Solution

The fourth proportional to 5,754.73, 8,625.89 and 2,786.89 is: 4,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.73 : 8,625.89 = 2,786.89 : x
  2. Step 2: Convert to fraction form
    5,754.73/8,625.89 = 2,786.89/x
  3. Step 3: Cross multiply
    5,754.73x = 8,625.89 × 2,786.89
  4. Step 4: Simplify right side
    5,754.73x = 24,039,408.16
  5. Step 5: Solve for x
    x = 24,039,408.16/5,754.73
  6. Step 6: Final answer
    x = 4,177.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.