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Finding the Fourth Proportional to 6,257.88, 9,387.72 and 2,039.72

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Solution

The fourth proportional to 6,257.88, 9,387.72 and 2,039.72 is: 3,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.88 : 9,387.72 = 2,039.72 : x
  2. Step 2: Convert to fraction form
    6,257.88/9,387.72 = 2,039.72/x
  3. Step 3: Cross multiply
    6,257.88x = 9,387.72 × 2,039.72
  4. Step 4: Simplify right side
    6,257.88x = 19,148,273.30
  5. Step 5: Solve for x
    x = 19,148,273.30/6,257.88
  6. Step 6: Final answer
    x = 3,059.87

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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.