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Finding the Fourth Proportional to 36,611.17, 54,922.02 and 12,921.91

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Solution

The fourth proportional to 36,611.17, 54,922.02 and 12,921.91 is: 19,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,611.17 : 54,922.02 = 12,921.91 : x
  2. Step 2: Convert to fraction form
    36,611.17/54,922.02 = 12,921.91/x
  3. Step 3: Cross multiply
    36,611.17x = 54,922.02 × 12,921.91
  4. Step 4: Simplify right side
    36,611.17x = 709,697,399.46
  5. Step 5: Solve for x
    x = 709,697,399.46/36,611.17
  6. Step 6: Final answer
    x = 19,384.72

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