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Finding the Fourth Proportional to 1,976.82, 2,727.88 and 1,092.56

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Solution

The fourth proportional to 1,976.82, 2,727.88 and 1,092.56 is: 1,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.82 : 2,727.88 = 1,092.56 : x
  2. Step 2: Convert to fraction form
    1,976.82/2,727.88 = 1,092.56/x
  3. Step 3: Cross multiply
    1,976.82x = 2,727.88 × 1,092.56
  4. Step 4: Simplify right side
    1,976.82x = 2,980,356.20
  5. Step 5: Solve for x
    x = 2,980,356.20/1,976.82
  6. Step 6: Final answer
    x = 1,507.65

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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.