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Finding the Fourth Proportional to 1,906.68, 2,841.99 and 1,843.50

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Solution

The fourth proportional to 1,906.68, 2,841.99 and 1,843.50 is: 2,747.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.68 : 2,841.99 = 1,843.50 : x
  2. Step 2: Convert to fraction form
    1,906.68/2,841.99 = 1,843.50/x
  3. Step 3: Cross multiply
    1,906.68x = 2,841.99 × 1,843.50
  4. Step 4: Simplify right side
    1,906.68x = 5,239,208.57
  5. Step 5: Solve for x
    x = 5,239,208.57/1,906.68
  6. Step 6: Final answer
    x = 2,747.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.