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Finding the Fourth Proportional to 11,956.74, 17,935.20 and 4,165.53

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Solution

The fourth proportional to 11,956.74, 17,935.20 and 4,165.53 is: 6,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.74 : 17,935.20 = 4,165.53 : x
  2. Step 2: Convert to fraction form
    11,956.74/17,935.20 = 4,165.53/x
  3. Step 3: Cross multiply
    11,956.74x = 17,935.20 × 4,165.53
  4. Step 4: Simplify right side
    11,956.74x = 74,709,613.66
  5. Step 5: Solve for x
    x = 74,709,613.66/11,956.74
  6. Step 6: Final answer
    x = 6,248.33

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