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Finding the Fourth Proportional to 5,324.73, 7,990.29 and 2,204.79

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Solution

The fourth proportional to 5,324.73, 7,990.29 and 2,204.79 is: 3,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.73 : 7,990.29 = 2,204.79 : x
  2. Step 2: Convert to fraction form
    5,324.73/7,990.29 = 2,204.79/x
  3. Step 3: Cross multiply
    5,324.73x = 7,990.29 × 2,204.79
  4. Step 4: Simplify right side
    5,324.73x = 17,616,911.49
  5. Step 5: Solve for x
    x = 17,616,911.49/5,324.73
  6. Step 6: Final answer
    x = 3,308.51

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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.