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Finding the Fourth Proportional to 10,462.86, 15,694.87 and 3,347.72

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Solution

The fourth proportional to 10,462.86, 15,694.87 and 3,347.72 is: 5,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462.86 : 15,694.87 = 3,347.72 : x
  2. Step 2: Convert to fraction form
    10,462.86/15,694.87 = 3,347.72/x
  3. Step 3: Cross multiply
    10,462.86x = 15,694.87 × 3,347.72
  4. Step 4: Simplify right side
    10,462.86x = 52,541,951.72
  5. Step 5: Solve for x
    x = 52,541,951.72/10,462.86
  6. Step 6: Final answer
    x = 5,021.76

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