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Finding the Fourth Proportional to 1,976.75, 2,727.81 and 1,092.53

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Solution

The fourth proportional to 1,976.75, 2,727.81 and 1,092.53 is: 1,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.75 : 2,727.81 = 1,092.53 : x
  2. Step 2: Convert to fraction form
    1,976.75/2,727.81 = 1,092.53/x
  3. Step 3: Cross multiply
    1,976.75x = 2,727.81 × 1,092.53
  4. Step 4: Simplify right side
    1,976.75x = 2,980,200.62
  5. Step 5: Solve for x
    x = 2,980,200.62/1,976.75
  6. Step 6: Final answer
    x = 1,507.63

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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.