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Finding the Fourth Proportional to 7,793.98, 11,684.45 and 3,631.85

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Solution

The fourth proportional to 7,793.98, 11,684.45 and 3,631.85 is: 5,444.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.98 : 11,684.45 = 3,631.85 : x
  2. Step 2: Convert to fraction form
    7,793.98/11,684.45 = 3,631.85/x
  3. Step 3: Cross multiply
    7,793.98x = 11,684.45 × 3,631.85
  4. Step 4: Simplify right side
    7,793.98x = 42,436,120.39
  5. Step 5: Solve for x
    x = 42,436,120.39/7,793.98
  6. Step 6: Final answer
    x = 5,444.73

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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.