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Finding the Fourth Proportional to 2,327.73, 3,211.73 and 1,443.11

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Solution

The fourth proportional to 2,327.73, 3,211.73 and 1,443.11 is: 1,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.73 : 3,211.73 = 1,443.11 : x
  2. Step 2: Convert to fraction form
    2,327.73/3,211.73 = 1,443.11/x
  3. Step 3: Cross multiply
    2,327.73x = 3,211.73 × 1,443.11
  4. Step 4: Simplify right side
    2,327.73x = 4,634,879.68
  5. Step 5: Solve for x
    x = 4,634,879.68/2,327.73
  6. Step 6: Final answer
    x = 1,991.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.