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Finding the Fourth Proportional to 7,120.58, 10,682.69 and 2,736.86

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Solution

The fourth proportional to 7,120.58, 10,682.69 and 2,736.86 is: 4,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.58 : 10,682.69 = 2,736.86 : x
  2. Step 2: Convert to fraction form
    7,120.58/10,682.69 = 2,736.86/x
  3. Step 3: Cross multiply
    7,120.58x = 10,682.69 × 2,736.86
  4. Step 4: Simplify right side
    7,120.58x = 29,236,959.86
  5. Step 5: Solve for x
    x = 29,236,959.86/7,120.58
  6. Step 6: Final answer
    x = 4,105.98

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