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Finding the Fourth Proportional to 7,300.68, 10,942.56 and 3,396.84

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Solution

The fourth proportional to 7,300.68, 10,942.56 and 3,396.84 is: 5,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.68 : 10,942.56 = 3,396.84 : x
  2. Step 2: Convert to fraction form
    7,300.68/10,942.56 = 3,396.84/x
  3. Step 3: Cross multiply
    7,300.68x = 10,942.56 × 3,396.84
  4. Step 4: Simplify right side
    7,300.68x = 37,170,125.51
  5. Step 5: Solve for x
    x = 37,170,125.51/7,300.68
  6. Step 6: Final answer
    x = 5,091.32

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