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Finding the Fourth Proportional to 8,793.10, 13,188.90 and 3,245.38

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Solution

The fourth proportional to 8,793.10, 13,188.90 and 3,245.38 is: 4,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.10 : 13,188.90 = 3,245.38 : x
  2. Step 2: Convert to fraction form
    8,793.10/13,188.90 = 3,245.38/x
  3. Step 3: Cross multiply
    8,793.10x = 13,188.90 × 3,245.38
  4. Step 4: Simplify right side
    8,793.10x = 42,802,992.28
  5. Step 5: Solve for x
    x = 42,802,992.28/8,793.10
  6. Step 6: Final answer
    x = 4,867.79

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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.