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Finding the Fourth Proportional to 2,324.99, 3,487.98 and 1,229.09

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Solution

The fourth proportional to 2,324.99, 3,487.98 and 1,229.09 is: 1,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.99 : 3,487.98 = 1,229.09 : x
  2. Step 2: Convert to fraction form
    2,324.99/3,487.98 = 1,229.09/x
  3. Step 3: Cross multiply
    2,324.99x = 3,487.98 × 1,229.09
  4. Step 4: Simplify right side
    2,324.99x = 4,287,023.90
  5. Step 5: Solve for x
    x = 4,287,023.90/2,324.99
  6. Step 6: Final answer
    x = 1,843.89

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1.5x scale

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.