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Finding the Fourth Proportional to 6,856.81, 10,283.70 and 1,926.95

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Solution

The fourth proportional to 6,856.81, 10,283.70 and 1,926.95 is: 2,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.81 : 10,283.70 = 1,926.95 : x
  2. Step 2: Convert to fraction form
    6,856.81/10,283.70 = 1,926.95/x
  3. Step 3: Cross multiply
    6,856.81x = 10,283.70 × 1,926.95
  4. Step 4: Simplify right side
    6,856.81x = 19,816,175.72
  5. Step 5: Solve for x
    x = 19,816,175.72/6,856.81
  6. Step 6: Final answer
    x = 2,890.00

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