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Finding the Fourth Proportional to 7,357.92, 11,036.97 and 2,163.90

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Solution

The fourth proportional to 7,357.92, 11,036.97 and 2,163.90 is: 3,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.92 : 11,036.97 = 2,163.90 : x
  2. Step 2: Convert to fraction form
    7,357.92/11,036.97 = 2,163.90/x
  3. Step 3: Cross multiply
    7,357.92x = 11,036.97 × 2,163.90
  4. Step 4: Simplify right side
    7,357.92x = 23,882,899.38
  5. Step 5: Solve for x
    x = 23,882,899.38/7,357.92
  6. Step 6: Final answer
    x = 3,245.88

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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.