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Finding the Fourth Proportional to 1,843.94, 2,542.83 and 1,214.84

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Solution

The fourth proportional to 1,843.94, 2,542.83 and 1,214.84 is: 1,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.94 : 2,542.83 = 1,214.84 : x
  2. Step 2: Convert to fraction form
    1,843.94/2,542.83 = 1,214.84/x
  3. Step 3: Cross multiply
    1,843.94x = 2,542.83 × 1,214.84
  4. Step 4: Simplify right side
    1,843.94x = 3,089,131.60
  5. Step 5: Solve for x
    x = 3,089,131.60/1,843.94
  6. Step 6: Final answer
    x = 1,675.29

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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.