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Finding the Fourth Proportional to 11,813.04, 17,721.18 and 4,020.84

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Solution

The fourth proportional to 11,813.04, 17,721.18 and 4,020.84 is: 6,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.04 : 17,721.18 = 4,020.84 : x
  2. Step 2: Convert to fraction form
    11,813.04/17,721.18 = 4,020.84/x
  3. Step 3: Cross multiply
    11,813.04x = 17,721.18 × 4,020.84
  4. Step 4: Simplify right side
    11,813.04x = 71,254,029.39
  5. Step 5: Solve for x
    x = 71,254,029.39/11,813.04
  6. Step 6: Final answer
    x = 6,031.81

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