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Finding the Fourth Proportional to 7,481.82, 11,223.08 and 2,803.02

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Solution

The fourth proportional to 7,481.82, 11,223.08 and 2,803.02 is: 4,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.82 : 11,223.08 = 2,803.02 : x
  2. Step 2: Convert to fraction form
    7,481.82/11,223.08 = 2,803.02/x
  3. Step 3: Cross multiply
    7,481.82x = 11,223.08 × 2,803.02
  4. Step 4: Simplify right side
    7,481.82x = 31,458,517.70
  5. Step 5: Solve for x
    x = 31,458,517.70/7,481.82
  6. Step 6: Final answer
    x = 4,204.66

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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.