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Finding the Fourth Proportional to 30,198.52, 45,283.55 and 11,209.99

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Solution

The fourth proportional to 30,198.52, 45,283.55 and 11,209.99 is: 16,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.52 : 45,283.55 = 11,209.99 : x
  2. Step 2: Convert to fraction form
    30,198.52/45,283.55 = 11,209.99/x
  3. Step 3: Cross multiply
    30,198.52x = 45,283.55 × 11,209.99
  4. Step 4: Simplify right side
    30,198.52x = 507,628,142.66
  5. Step 5: Solve for x
    x = 507,628,142.66/30,198.52
  6. Step 6: Final answer
    x = 16,809.70

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