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Finding the Fourth Proportional to 8,227.80, 11,351.79 and 5,037.80

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Solution

The fourth proportional to 8,227.80, 11,351.79 and 5,037.80 is: 6,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.80 : 11,351.79 = 5,037.80 : x
  2. Step 2: Convert to fraction form
    8,227.80/11,351.79 = 5,037.80/x
  3. Step 3: Cross multiply
    8,227.80x = 11,351.79 × 5,037.80
  4. Step 4: Simplify right side
    8,227.80x = 57,187,990.90
  5. Step 5: Solve for x
    x = 57,187,990.90/8,227.80
  6. Step 6: Final answer
    x = 6,950.58

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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.