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Finding the Fourth Proportional to 8,793.32, 12,131.77 and 5,013.76

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Solution

The fourth proportional to 8,793.32, 12,131.77 and 5,013.76 is: 6,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.32 : 12,131.77 = 5,013.76 : x
  2. Step 2: Convert to fraction form
    8,793.32/12,131.77 = 5,013.76/x
  3. Step 3: Cross multiply
    8,793.32x = 12,131.77 × 5,013.76
  4. Step 4: Simplify right side
    8,793.32x = 60,825,783.16
  5. Step 5: Solve for x
    x = 60,825,783.16/8,793.32
  6. Step 6: Final answer
    x = 6,917.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.