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Finding the Fourth Proportional to 8,520.92, 12,793.34 and 4,363.92

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Solution

The fourth proportional to 8,520.92, 12,793.34 and 4,363.92 is: 6,552.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.92 : 12,793.34 = 4,363.92 : x
  2. Step 2: Convert to fraction form
    8,520.92/12,793.34 = 4,363.92/x
  3. Step 3: Cross multiply
    8,520.92x = 12,793.34 × 4,363.92
  4. Step 4: Simplify right side
    8,520.92x = 55,829,112.29
  5. Step 5: Solve for x
    x = 55,829,112.29/8,520.92
  6. Step 6: Final answer
    x = 6,552.01

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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.