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Finding the Fourth Proportional to 6,491.72, 9,736.18 and 2,049.73

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Solution

The fourth proportional to 6,491.72, 9,736.18 and 2,049.73 is: 3,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.72 : 9,736.18 = 2,049.73 : x
  2. Step 2: Convert to fraction form
    6,491.72/9,736.18 = 2,049.73/x
  3. Step 3: Cross multiply
    6,491.72x = 9,736.18 × 2,049.73
  4. Step 4: Simplify right side
    6,491.72x = 19,956,545.36
  5. Step 5: Solve for x
    x = 19,956,545.36/6,491.72
  6. Step 6: Final answer
    x = 3,074.15

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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.