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Finding the Fourth Proportional to 6,474.48, 9,713.24 and 2,091.56

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Solution

The fourth proportional to 6,474.48, 9,713.24 and 2,091.56 is: 3,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.48 : 9,713.24 = 2,091.56 : x
  2. Step 2: Convert to fraction form
    6,474.48/9,713.24 = 2,091.56/x
  3. Step 3: Cross multiply
    6,474.48x = 9,713.24 × 2,091.56
  4. Step 4: Simplify right side
    6,474.48x = 20,315,824.25
  5. Step 5: Solve for x
    x = 20,315,824.25/6,474.48
  6. Step 6: Final answer
    x = 3,137.83

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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.