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Finding the Fourth Proportional to 7,098.72, 9,796.06 and 3,954.84

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Solution

The fourth proportional to 7,098.72, 9,796.06 and 3,954.84 is: 5,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.72 : 9,796.06 = 3,954.84 : x
  2. Step 2: Convert to fraction form
    7,098.72/9,796.06 = 3,954.84/x
  3. Step 3: Cross multiply
    7,098.72x = 9,796.06 × 3,954.84
  4. Step 4: Simplify right side
    7,098.72x = 38,741,849.93
  5. Step 5: Solve for x
    x = 38,741,849.93/7,098.72
  6. Step 6: Final answer
    x = 5,457.58

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