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Finding the Fourth Proportional to 1,871.25, 2,582.33 and 1,043.25

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Solution

The fourth proportional to 1,871.25, 2,582.33 and 1,043.25 is: 1,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.25 : 2,582.33 = 1,043.25 : x
  2. Step 2: Convert to fraction form
    1,871.25/2,582.33 = 1,043.25/x
  3. Step 3: Cross multiply
    1,871.25x = 2,582.33 × 1,043.25
  4. Step 4: Simplify right side
    1,871.25x = 2,694,010.56
  5. Step 5: Solve for x
    x = 2,694,010.56/1,871.25
  6. Step 6: Final answer
    x = 1,439.69

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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.