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Finding the Fourth Proportional to 27,378.58, 37,782.42 and 15,441.89

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Solution

The fourth proportional to 27,378.58, 37,782.42 and 15,441.89 is: 21,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.58 : 37,782.42 = 15,441.89 : x
  2. Step 2: Convert to fraction form
    27,378.58/37,782.42 = 15,441.89/x
  3. Step 3: Cross multiply
    27,378.58x = 37,782.42 × 15,441.89
  4. Step 4: Simplify right side
    27,378.58x = 583,431,973.57
  5. Step 5: Solve for x
    x = 583,431,973.57/27,378.58
  6. Step 6: Final answer
    x = 21,309.80

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