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Finding the Fourth Proportional to 7,310.67, 10,943.31 and 5,912.28

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Solution

The fourth proportional to 7,310.67, 10,943.31 and 5,912.28 is: 8,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.67 : 10,943.31 = 5,912.28 : x
  2. Step 2: Convert to fraction form
    7,310.67/10,943.31 = 5,912.28/x
  3. Step 3: Cross multiply
    7,310.67x = 10,943.31 × 5,912.28
  4. Step 4: Simplify right side
    7,310.67x = 64,699,912.85
  5. Step 5: Solve for x
    x = 64,699,912.85/7,310.67
  6. Step 6: Final answer
    x = 8,850.07

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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.