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Finding the Fourth Proportional to 2,810.62, 3,874.08 and 2,250.10

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Solution

The fourth proportional to 2,810.62, 3,874.08 and 2,250.10 is: 3,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.62 : 3,874.08 = 2,250.10 : x
  2. Step 2: Convert to fraction form
    2,810.62/3,874.08 = 2,250.10/x
  3. Step 3: Cross multiply
    2,810.62x = 3,874.08 × 2,250.10
  4. Step 4: Simplify right side
    2,810.62x = 8,717,067.41
  5. Step 5: Solve for x
    x = 8,717,067.41/2,810.62
  6. Step 6: Final answer
    x = 3,101.47

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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.