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Finding the Fourth Proportional to 5,294.82, 7,940.88 and 1,784.28

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Solution

The fourth proportional to 5,294.82, 7,940.88 and 1,784.28 is: 2,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.82 : 7,940.88 = 1,784.28 : x
  2. Step 2: Convert to fraction form
    5,294.82/7,940.88 = 1,784.28/x
  3. Step 3: Cross multiply
    5,294.82x = 7,940.88 × 1,784.28
  4. Step 4: Simplify right side
    5,294.82x = 14,168,753.37
  5. Step 5: Solve for x
    x = 14,168,753.37/5,294.82
  6. Step 6: Final answer
    x = 2,675.97

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