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Finding the Fourth Proportional to 12,523.99, 18,786.33 and 3,758.91

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Solution

The fourth proportional to 12,523.99, 18,786.33 and 3,758.91 is: 5,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.99 : 18,786.33 = 3,758.91 : x
  2. Step 2: Convert to fraction form
    12,523.99/18,786.33 = 3,758.91/x
  3. Step 3: Cross multiply
    12,523.99x = 18,786.33 × 3,758.91
  4. Step 4: Simplify right side
    12,523.99x = 70,616,053.25
  5. Step 5: Solve for x
    x = 70,616,053.25/12,523.99
  6. Step 6: Final answer
    x = 5,638.46

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