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Finding the Fourth Proportional to 1,843.80, 2,767.04 and 1,151.48

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Solution

The fourth proportional to 1,843.80, 2,767.04 and 1,151.48 is: 1,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.80 : 2,767.04 = 1,151.48 : x
  2. Step 2: Convert to fraction form
    1,843.80/2,767.04 = 1,151.48/x
  3. Step 3: Cross multiply
    1,843.80x = 2,767.04 × 1,151.48
  4. Step 4: Simplify right side
    1,843.80x = 3,186,191.22
  5. Step 5: Solve for x
    x = 3,186,191.22/1,843.80
  6. Step 6: Final answer
    x = 1,728.06

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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.