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Finding the Fourth Proportional to 2,722.44, 4,083.54 and 873.48

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Solution

The fourth proportional to 2,722.44, 4,083.54 and 873.48 is: 1,310.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.44 : 4,083.54 = 873.48 : x
  2. Step 2: Convert to fraction form
    2,722.44/4,083.54 = 873.48/x
  3. Step 3: Cross multiply
    2,722.44x = 4,083.54 × 873.48
  4. Step 4: Simplify right side
    2,722.44x = 3,566,890.52
  5. Step 5: Solve for x
    x = 3,566,890.52/2,722.44
  6. Step 6: Final answer
    x = 1,310.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.