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Finding the Fourth Proportional to 2,339.73, 3,512.12 and 2,081.39

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Solution

The fourth proportional to 2,339.73, 3,512.12 and 2,081.39 is: 3,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.73 : 3,512.12 = 2,081.39 : x
  2. Step 2: Convert to fraction form
    2,339.73/3,512.12 = 2,081.39/x
  3. Step 3: Cross multiply
    2,339.73x = 3,512.12 × 2,081.39
  4. Step 4: Simplify right side
    2,339.73x = 7,310,079.09
  5. Step 5: Solve for x
    x = 7,310,079.09/2,339.73
  6. Step 6: Final answer
    x = 3,124.33

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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.