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Finding the Fourth Proportional to 2,887.44, 4,324.44 and 2,790.48

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Solution

The fourth proportional to 2,887.44, 4,324.44 and 2,790.48 is: 4,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.44 : 4,324.44 = 2,790.48 : x
  2. Step 2: Convert to fraction form
    2,887.44/4,324.44 = 2,790.48/x
  3. Step 3: Cross multiply
    2,887.44x = 4,324.44 × 2,790.48
  4. Step 4: Simplify right side
    2,887.44x = 12,067,263.33
  5. Step 5: Solve for x
    x = 12,067,263.33/2,887.44
  6. Step 6: Final answer
    x = 4,179.23

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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.