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Finding the Fourth Proportional to 5,109.32, 7,656.72 and 3,934.88

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Solution

The fourth proportional to 5,109.32, 7,656.72 and 3,934.88 is: 5,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.32 : 7,656.72 = 3,934.88 : x
  2. Step 2: Convert to fraction form
    5,109.32/7,656.72 = 3,934.88/x
  3. Step 3: Cross multiply
    5,109.32x = 7,656.72 × 3,934.88
  4. Step 4: Simplify right side
    5,109.32x = 30,128,274.39
  5. Step 5: Solve for x
    x = 30,128,274.39/5,109.32
  6. Step 6: Final answer
    x = 5,896.73

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