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Finding the Fourth Proportional to 7,956.89, 11,934.41 and 2,113.95

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Solution

The fourth proportional to 7,956.89, 11,934.41 and 2,113.95 is: 3,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.89 : 11,934.41 = 2,113.95 : x
  2. Step 2: Convert to fraction form
    7,956.89/11,934.41 = 2,113.95/x
  3. Step 3: Cross multiply
    7,956.89x = 11,934.41 × 2,113.95
  4. Step 4: Simplify right side
    7,956.89x = 25,228,735.45
  5. Step 5: Solve for x
    x = 25,228,735.45/7,956.89
  6. Step 6: Final answer
    x = 3,170.68

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