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Finding the Fourth Proportional to 6,978.04, 9,629.58 and 3,834.16

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Solution

The fourth proportional to 6,978.04, 9,629.58 and 3,834.16 is: 5,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978.04 : 9,629.58 = 3,834.16 : x
  2. Step 2: Convert to fraction form
    6,978.04/9,629.58 = 3,834.16/x
  3. Step 3: Cross multiply
    6,978.04x = 9,629.58 × 3,834.16
  4. Step 4: Simplify right side
    6,978.04x = 36,921,340.76
  5. Step 5: Solve for x
    x = 36,921,340.76/6,978.04
  6. Step 6: Final answer
    x = 5,291.08

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