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Finding the Fourth Proportional to 12,695.82, 17,521.79 and 7,662.93

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Solution

The fourth proportional to 12,695.82, 17,521.79 and 7,662.93 is: 10,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.82 : 17,521.79 = 7,662.93 : x
  2. Step 2: Convert to fraction form
    12,695.82/17,521.79 = 7,662.93/x
  3. Step 3: Cross multiply
    12,695.82x = 17,521.79 × 7,662.93
  4. Step 4: Simplify right side
    12,695.82x = 134,268,181.79
  5. Step 5: Solve for x
    x = 134,268,181.79/12,695.82
  6. Step 6: Final answer
    x = 10,575.78

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