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Finding the Fourth Proportional to 30,796.55, 46,194.41 and 7,422.78

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Solution

The fourth proportional to 30,796.55, 46,194.41 and 7,422.78 is: 11,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,796.55 : 46,194.41 = 7,422.78 : x
  2. Step 2: Convert to fraction form
    30,796.55/46,194.41 = 7,422.78/x
  3. Step 3: Cross multiply
    30,796.55x = 46,194.41 × 7,422.78
  4. Step 4: Simplify right side
    30,796.55x = 342,890,942.66
  5. Step 5: Solve for x
    x = 342,890,942.66/30,796.55
  6. Step 6: Final answer
    x = 11,134.07

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