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Finding the Fourth Proportional to 7,844.22, 11,770.34 and 5,213.52

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Solution

The fourth proportional to 7,844.22, 11,770.34 and 5,213.52 is: 7,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.22 : 11,770.34 = 5,213.52 : x
  2. Step 2: Convert to fraction form
    7,844.22/11,770.34 = 5,213.52/x
  3. Step 3: Cross multiply
    7,844.22x = 11,770.34 × 5,213.52
  4. Step 4: Simplify right side
    7,844.22x = 61,364,876.93
  5. Step 5: Solve for x
    x = 61,364,876.93/7,844.22
  6. Step 6: Final answer
    x = 7,822.94

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