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Finding the Fourth Proportional to 8,255.87, 12,362.66 and 4,553.98

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Solution

The fourth proportional to 8,255.87, 12,362.66 and 4,553.98 is: 6,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.87 : 12,362.66 = 4,553.98 : x
  2. Step 2: Convert to fraction form
    8,255.87/12,362.66 = 4,553.98/x
  3. Step 3: Cross multiply
    8,255.87x = 12,362.66 × 4,553.98
  4. Step 4: Simplify right side
    8,255.87x = 56,299,339.33
  5. Step 5: Solve for x
    x = 56,299,339.33/8,255.87
  6. Step 6: Final answer
    x = 6,819.31

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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.