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Finding the Fourth Proportional to 7,694.87, 11,550.47 and 6,251.45

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Solution

The fourth proportional to 7,694.87, 11,550.47 and 6,251.45 is: 9,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.87 : 11,550.47 = 6,251.45 : x
  2. Step 2: Convert to fraction form
    7,694.87/11,550.47 = 6,251.45/x
  3. Step 3: Cross multiply
    7,694.87x = 11,550.47 × 6,251.45
  4. Step 4: Simplify right side
    7,694.87x = 72,207,096.67
  5. Step 5: Solve for x
    x = 72,207,096.67/7,694.87
  6. Step 6: Final answer
    x = 9,383.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.