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Finding the Fourth Proportional to 2,226, 3,338.97 and 582.65

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Solution

The fourth proportional to 2,226, 3,338.97 and 582.65 is: 873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226 : 3,338.97 = 582.65 : x
  2. Step 2: Convert to fraction form
    2,226/3,338.97 = 582.65/x
  3. Step 3: Cross multiply
    2,226x = 3,338.97 × 582.65
  4. Step 4: Simplify right side
    2,226x = 1,945,450.87
  5. Step 5: Solve for x
    x = 1,945,450.87/2,226
  6. Step 6: Final answer
    x = 873.97

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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.