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Finding the Fourth Proportional to 8,523.77, 12,793.39 and 4,366.64

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Solution

The fourth proportional to 8,523.77, 12,793.39 and 4,366.64 is: 6,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.77 : 12,793.39 = 4,366.64 : x
  2. Step 2: Convert to fraction form
    8,523.77/12,793.39 = 4,366.64/x
  3. Step 3: Cross multiply
    8,523.77x = 12,793.39 × 4,366.64
  4. Step 4: Simplify right side
    8,523.77x = 55,864,149.58
  5. Step 5: Solve for x
    x = 55,864,149.58/8,523.77
  6. Step 6: Final answer
    x = 6,553.93

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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.