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Finding the Fourth Proportional to 36,172.65, 49,918.62 and 20,040.43

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Solution

The fourth proportional to 36,172.65, 49,918.62 and 20,040.43 is: 27,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.65 : 49,918.62 = 20,040.43 : x
  2. Step 2: Convert to fraction form
    36,172.65/49,918.62 = 20,040.43/x
  3. Step 3: Cross multiply
    36,172.65x = 49,918.62 × 20,040.43
  4. Step 4: Simplify right side
    36,172.65x = 1,000,390,609.81
  5. Step 5: Solve for x
    x = 1,000,390,609.81/36,172.65
  6. Step 6: Final answer
    x = 27,656.00

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