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Finding the Fourth Proportional to 7,561, 11,313 and 6,793.64

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Solution

The fourth proportional to 7,561, 11,313 and 6,793.64 is: 10,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561 : 11,313 = 6,793.64 : x
  2. Step 2: Convert to fraction form
    7,561/11,313 = 6,793.64/x
  3. Step 3: Cross multiply
    7,561x = 11,313 × 6,793.64
  4. Step 4: Simplify right side
    7,561x = 76,856,449.32
  5. Step 5: Solve for x
    x = 76,856,449.32/7,561
  6. Step 6: Final answer
    x = 10,164.85

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