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Finding the Fourth Proportional to 6,340.88, 9,511.34 and 1,723.88

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Solution

The fourth proportional to 6,340.88, 9,511.34 and 1,723.88 is: 2,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.88 : 9,511.34 = 1,723.88 : x
  2. Step 2: Convert to fraction form
    6,340.88/9,511.34 = 1,723.88/x
  3. Step 3: Cross multiply
    6,340.88x = 9,511.34 × 1,723.88
  4. Step 4: Simplify right side
    6,340.88x = 16,396,352.62
  5. Step 5: Solve for x
    x = 16,396,352.62/6,340.88
  6. Step 6: Final answer
    x = 2,585.82

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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.