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Finding the Fourth Proportional to 11,930.88, 17,892.12 and 4,908.84

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Solution

The fourth proportional to 11,930.88, 17,892.12 and 4,908.84 is: 7,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.88 : 17,892.12 = 4,908.84 : x
  2. Step 2: Convert to fraction form
    11,930.88/17,892.12 = 4,908.84/x
  3. Step 3: Cross multiply
    11,930.88x = 17,892.12 × 4,908.84
  4. Step 4: Simplify right side
    11,930.88x = 87,829,554.34
  5. Step 5: Solve for x
    x = 87,829,554.34/11,930.88
  6. Step 6: Final answer
    x = 7,361.53

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