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Finding the Fourth Proportional to 5,786.73, 8,681.40 and 1,891.13

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Solution

The fourth proportional to 5,786.73, 8,681.40 and 1,891.13 is: 2,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.73 : 8,681.40 = 1,891.13 : x
  2. Step 2: Convert to fraction form
    5,786.73/8,681.40 = 1,891.13/x
  3. Step 3: Cross multiply
    5,786.73x = 8,681.40 × 1,891.13
  4. Step 4: Simplify right side
    5,786.73x = 16,417,612.58
  5. Step 5: Solve for x
    x = 16,417,612.58/5,786.73
  6. Step 6: Final answer
    x = 2,837.11

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