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Finding the Fourth Proportional to 13,632.29, 20,347.29 and 11,750.12

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Solution

The fourth proportional to 13,632.29, 20,347.29 and 11,750.12 is: 17,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.29 : 20,347.29 = 11,750.12 : x
  2. Step 2: Convert to fraction form
    13,632.29/20,347.29 = 11,750.12/x
  3. Step 3: Cross multiply
    13,632.29x = 20,347.29 × 11,750.12
  4. Step 4: Simplify right side
    13,632.29x = 239,083,099.17
  5. Step 5: Solve for x
    x = 239,083,099.17/13,632.29
  6. Step 6: Final answer
    x = 17,538.00

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