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Finding the Fourth Proportional to 9,157.92, 13,736.82 and 3,314.52

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Solution

The fourth proportional to 9,157.92, 13,736.82 and 3,314.52 is: 4,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.92 : 13,736.82 = 3,314.52 : x
  2. Step 2: Convert to fraction form
    9,157.92/13,736.82 = 3,314.52/x
  3. Step 3: Cross multiply
    9,157.92x = 13,736.82 × 3,314.52
  4. Step 4: Simplify right side
    9,157.92x = 45,530,964.63
  5. Step 5: Solve for x
    x = 45,530,964.63/9,157.92
  6. Step 6: Final answer
    x = 4,971.76

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