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Finding the Fourth Proportional to 7,754.92, 11,620.83 and 3,369.98

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Solution

The fourth proportional to 7,754.92, 11,620.83 and 3,369.98 is: 5,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.92 : 11,620.83 = 3,369.98 : x
  2. Step 2: Convert to fraction form
    7,754.92/11,620.83 = 3,369.98/x
  3. Step 3: Cross multiply
    7,754.92x = 11,620.83 × 3,369.98
  4. Step 4: Simplify right side
    7,754.92x = 39,161,964.68
  5. Step 5: Solve for x
    x = 39,161,964.68/7,754.92
  6. Step 6: Final answer
    x = 5,049.95

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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.