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Finding the Fourth Proportional to 41,999.80, 63,008.58 and 13,918.26

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Solution

The fourth proportional to 41,999.80, 63,008.58 and 13,918.26 is: 20,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,999.80 : 63,008.58 = 13,918.26 : x
  2. Step 2: Convert to fraction form
    41,999.80/63,008.58 = 13,918.26/x
  3. Step 3: Cross multiply
    41,999.80x = 63,008.58 × 13,918.26
  4. Step 4: Simplify right side
    41,999.80x = 876,969,798.67
  5. Step 5: Solve for x
    x = 876,969,798.67/41,999.80
  6. Step 6: Final answer
    x = 20,880.33

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