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Finding the Fourth Proportional to 1,984.09, 2,736.15 and 1,481.05

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Solution

The fourth proportional to 1,984.09, 2,736.15 and 1,481.05 is: 2,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.09 : 2,736.15 = 1,481.05 : x
  2. Step 2: Convert to fraction form
    1,984.09/2,736.15 = 1,481.05/x
  3. Step 3: Cross multiply
    1,984.09x = 2,736.15 × 1,481.05
  4. Step 4: Simplify right side
    1,984.09x = 4,052,374.96
  5. Step 5: Solve for x
    x = 4,052,374.96/1,984.09
  6. Step 6: Final answer
    x = 2,042.44

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