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Finding the Fourth Proportional to 12,019.93, 18,031.86 and 3,699.95

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Solution

The fourth proportional to 12,019.93, 18,031.86 and 3,699.95 is: 5,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.93 : 18,031.86 = 3,699.95 : x
  2. Step 2: Convert to fraction form
    12,019.93/18,031.86 = 3,699.95/x
  3. Step 3: Cross multiply
    12,019.93x = 18,031.86 × 3,699.95
  4. Step 4: Simplify right side
    12,019.93x = 66,716,943.99
  5. Step 5: Solve for x
    x = 66,716,943.99/12,019.93
  6. Step 6: Final answer
    x = 5,550.53

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