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Finding the Fourth Proportional to 6,251.99, 9,371.43 and 2,961.16

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Solution

The fourth proportional to 6,251.99, 9,371.43 and 2,961.16 is: 4,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.99 : 9,371.43 = 2,961.16 : x
  2. Step 2: Convert to fraction form
    6,251.99/9,371.43 = 2,961.16/x
  3. Step 3: Cross multiply
    6,251.99x = 9,371.43 × 2,961.16
  4. Step 4: Simplify right side
    6,251.99x = 27,750,280.23
  5. Step 5: Solve for x
    x = 27,750,280.23/6,251.99
  6. Step 6: Final answer
    x = 4,438.64

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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.