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Finding the Fourth Proportional to 11,802, 16,286.67 and 7,025.22

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Solution

The fourth proportional to 11,802, 16,286.67 and 7,025.22 is: 9,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802 : 16,286.67 = 7,025.22 : x
  2. Step 2: Convert to fraction form
    11,802/16,286.67 = 7,025.22/x
  3. Step 3: Cross multiply
    11,802x = 16,286.67 × 7,025.22
  4. Step 4: Simplify right side
    11,802x = 114,417,439.82
  5. Step 5: Solve for x
    x = 114,417,439.82/11,802
  6. Step 6: Final answer
    x = 9,694.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.