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Finding the Fourth Proportional to 3,223.73, 4,834.88 and 1,115.23

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Solution

The fourth proportional to 3,223.73, 4,834.88 and 1,115.23 is: 1,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.73 : 4,834.88 = 1,115.23 : x
  2. Step 2: Convert to fraction form
    3,223.73/4,834.88 = 1,115.23/x
  3. Step 3: Cross multiply
    3,223.73x = 4,834.88 × 1,115.23
  4. Step 4: Simplify right side
    3,223.73x = 5,392,003.22
  5. Step 5: Solve for x
    x = 5,392,003.22/3,223.73
  6. Step 6: Final answer
    x = 1,672.60

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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.