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Finding the Fourth Proportional to 10,904.22, 16,357.05 and 3,976.86

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Solution

The fourth proportional to 10,904.22, 16,357.05 and 3,976.86 is: 5,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.22 : 16,357.05 = 3,976.86 : x
  2. Step 2: Convert to fraction form
    10,904.22/16,357.05 = 3,976.86/x
  3. Step 3: Cross multiply
    10,904.22x = 16,357.05 × 3,976.86
  4. Step 4: Simplify right side
    10,904.22x = 65,049,697.86
  5. Step 5: Solve for x
    x = 65,049,697.86/10,904.22
  6. Step 6: Final answer
    x = 5,965.55

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