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Finding the Fourth Proportional to 12,300.53, 18,334.04 and 11,895.53

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Solution

The fourth proportional to 12,300.53, 18,334.04 and 11,895.53 is: 17,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.53 : 18,334.04 = 11,895.53 : x
  2. Step 2: Convert to fraction form
    12,300.53/18,334.04 = 11,895.53/x
  3. Step 3: Cross multiply
    12,300.53x = 18,334.04 × 11,895.53
  4. Step 4: Simplify right side
    12,300.53x = 218,092,971.69
  5. Step 5: Solve for x
    x = 218,092,971.69/12,300.53
  6. Step 6: Final answer
    x = 17,730.38

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