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Finding the Fourth Proportional to 1,324.38, 1,825.54 and 1,044.16

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Solution

The fourth proportional to 1,324.38, 1,825.54 and 1,044.16 is: 1,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.38 : 1,825.54 = 1,044.16 : x
  2. Step 2: Convert to fraction form
    1,324.38/1,825.54 = 1,044.16/x
  3. Step 3: Cross multiply
    1,324.38x = 1,825.54 × 1,044.16
  4. Step 4: Simplify right side
    1,324.38x = 1,906,155.85
  5. Step 5: Solve for x
    x = 1,906,155.85/1,324.38
  6. Step 6: Final answer
    x = 1,439.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.