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Finding the Fourth Proportional to 1,991.47, 2,753.04 and 1,825.42

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Solution

The fourth proportional to 1,991.47, 2,753.04 and 1,825.42 is: 2,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991.47 : 2,753.04 = 1,825.42 : x
  2. Step 2: Convert to fraction form
    1,991.47/2,753.04 = 1,825.42/x
  3. Step 3: Cross multiply
    1,991.47x = 2,753.04 × 1,825.42
  4. Step 4: Simplify right side
    1,991.47x = 5,025,454.28
  5. Step 5: Solve for x
    x = 5,025,454.28/1,991.47
  6. Step 6: Final answer
    x = 2,523.49

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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.