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Finding the Fourth Proportional to 4,984.26, 7,475.78 and 1,864.38

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Solution

The fourth proportional to 4,984.26, 7,475.78 and 1,864.38 is: 2,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.26 : 7,475.78 = 1,864.38 : x
  2. Step 2: Convert to fraction form
    4,984.26/7,475.78 = 1,864.38/x
  3. Step 3: Cross multiply
    4,984.26x = 7,475.78 × 1,864.38
  4. Step 4: Simplify right side
    4,984.26x = 13,937,694.72
  5. Step 5: Solve for x
    x = 13,937,694.72/4,984.26
  6. Step 6: Final answer
    x = 2,796.34

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