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Finding the Fourth Proportional to 3,673.98, 5,511.87 and 1,825.97

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Solution

The fourth proportional to 3,673.98, 5,511.87 and 1,825.97 is: 2,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.98 : 5,511.87 = 1,825.97 : x
  2. Step 2: Convert to fraction form
    3,673.98/5,511.87 = 1,825.97/x
  3. Step 3: Cross multiply
    3,673.98x = 5,511.87 × 1,825.97
  4. Step 4: Simplify right side
    3,673.98x = 10,064,481.70
  5. Step 5: Solve for x
    x = 10,064,481.70/3,673.98
  6. Step 6: Final answer
    x = 2,739.39

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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.