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Finding the Fourth Proportional to 10,703.86, 16,055.48 and 4,131.47

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Solution

The fourth proportional to 10,703.86, 16,055.48 and 4,131.47 is: 6,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.86 : 16,055.48 = 4,131.47 : x
  2. Step 2: Convert to fraction form
    10,703.86/16,055.48 = 4,131.47/x
  3. Step 3: Cross multiply
    10,703.86x = 16,055.48 × 4,131.47
  4. Step 4: Simplify right side
    10,703.86x = 66,332,784.42
  5. Step 5: Solve for x
    x = 66,332,784.42/10,703.86
  6. Step 6: Final answer
    x = 6,197.09

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