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Finding the Fourth Proportional to 6,922.80, 10,384.74 and 3,414.69

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Solution

The fourth proportional to 6,922.80, 10,384.74 and 3,414.69 is: 5,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.80 : 10,384.74 = 3,414.69 : x
  2. Step 2: Convert to fraction form
    6,922.80/10,384.74 = 3,414.69/x
  3. Step 3: Cross multiply
    6,922.80x = 10,384.74 × 3,414.69
  4. Step 4: Simplify right side
    6,922.80x = 35,460,667.83
  5. Step 5: Solve for x
    x = 35,460,667.83/6,922.80
  6. Step 6: Final answer
    x = 5,122.30

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