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Finding the Fourth Proportional to 6,369.70, 9,550.19 and 3,243.65

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Solution

The fourth proportional to 6,369.70, 9,550.19 and 3,243.65 is: 4,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.70 : 9,550.19 = 3,243.65 : x
  2. Step 2: Convert to fraction form
    6,369.70/9,550.19 = 3,243.65/x
  3. Step 3: Cross multiply
    6,369.70x = 9,550.19 × 3,243.65
  4. Step 4: Simplify right side
    6,369.70x = 30,977,481.45
  5. Step 5: Solve for x
    x = 30,977,481.45/6,369.70
  6. Step 6: Final answer
    x = 4,863.26

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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.