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Finding the Fourth Proportional to 37,389.72, 51,597.84 and 21,475.20

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Solution

The fourth proportional to 37,389.72, 51,597.84 and 21,475.20 is: 29,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,389.72 : 51,597.84 = 21,475.20 : x
  2. Step 2: Convert to fraction form
    37,389.72/51,597.84 = 21,475.20/x
  3. Step 3: Cross multiply
    37,389.72x = 51,597.84 × 21,475.20
  4. Step 4: Simplify right side
    37,389.72x = 1,108,073,933.57
  5. Step 5: Solve for x
    x = 1,108,073,933.57/37,389.72
  6. Step 6: Final answer
    x = 29,635.79

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