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Finding the Fourth Proportional to 11,966.94, 17,958.09 and 5,807.58

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Solution

The fourth proportional to 11,966.94, 17,958.09 and 5,807.58 is: 8,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.94 : 17,958.09 = 5,807.58 : x
  2. Step 2: Convert to fraction form
    11,966.94/17,958.09 = 5,807.58/x
  3. Step 3: Cross multiply
    11,966.94x = 17,958.09 × 5,807.58
  4. Step 4: Simplify right side
    11,966.94x = 104,293,044.32
  5. Step 5: Solve for x
    x = 104,293,044.32/11,966.94
  6. Step 6: Final answer
    x = 8,715.10

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