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Finding the Fourth Proportional to 4,882.89, 7,324.32 and 1,372.89

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Solution

The fourth proportional to 4,882.89, 7,324.32 and 1,372.89 is: 2,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.89 : 7,324.32 = 1,372.89 : x
  2. Step 2: Convert to fraction form
    4,882.89/7,324.32 = 1,372.89/x
  3. Step 3: Cross multiply
    4,882.89x = 7,324.32 × 1,372.89
  4. Step 4: Simplify right side
    4,882.89x = 10,055,485.68
  5. Step 5: Solve for x
    x = 10,055,485.68/4,882.89
  6. Step 6: Final answer
    x = 2,059.33

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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.