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Finding the Fourth Proportional to 2,725.96, 4,091.49 and 1,340.29

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Solution

The fourth proportional to 2,725.96, 4,091.49 and 1,340.29 is: 2,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.96 : 4,091.49 = 1,340.29 : x
  2. Step 2: Convert to fraction form
    2,725.96/4,091.49 = 1,340.29/x
  3. Step 3: Cross multiply
    2,725.96x = 4,091.49 × 1,340.29
  4. Step 4: Simplify right side
    2,725.96x = 5,483,783.13
  5. Step 5: Solve for x
    x = 5,483,783.13/2,725.96
  6. Step 6: Final answer
    x = 2,011.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.