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Finding the Fourth Proportional to 5,940.56, 8,198.08 and 3,288.08

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Solution

The fourth proportional to 5,940.56, 8,198.08 and 3,288.08 is: 4,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.56 : 8,198.08 = 3,288.08 : x
  2. Step 2: Convert to fraction form
    5,940.56/8,198.08 = 3,288.08/x
  3. Step 3: Cross multiply
    5,940.56x = 8,198.08 × 3,288.08
  4. Step 4: Simplify right side
    5,940.56x = 26,955,942.89
  5. Step 5: Solve for x
    x = 26,955,942.89/5,940.56
  6. Step 6: Final answer
    x = 4,537.61

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Why These Related Problems?

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