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Finding the Fourth Proportional to 5,363.83, 7,399.99 and 3,239.87

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Solution

The fourth proportional to 5,363.83, 7,399.99 and 3,239.87 is: 4,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.83 : 7,399.99 = 3,239.87 : x
  2. Step 2: Convert to fraction form
    5,363.83/7,399.99 = 3,239.87/x
  3. Step 3: Cross multiply
    5,363.83x = 7,399.99 × 3,239.87
  4. Step 4: Simplify right side
    5,363.83x = 23,974,972.65
  5. Step 5: Solve for x
    x = 23,974,972.65/5,363.83
  6. Step 6: Final answer
    x = 4,469.75

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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.