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Finding the Fourth Proportional to 9,959, 13,743.42 and 5,983.52

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Solution

The fourth proportional to 9,959, 13,743.42 and 5,983.52 is: 8,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959 : 13,743.42 = 5,983.52 : x
  2. Step 2: Convert to fraction form
    9,959/13,743.42 = 5,983.52/x
  3. Step 3: Cross multiply
    9,959x = 13,743.42 × 5,983.52
  4. Step 4: Simplify right side
    9,959x = 82,234,028.44
  5. Step 5: Solve for x
    x = 82,234,028.44/9,959
  6. Step 6: Final answer
    x = 8,257.26

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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.