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Finding the Fourth Proportional to 11,133.03, 15,393.12 and 9,731.76

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Solution

The fourth proportional to 11,133.03, 15,393.12 and 9,731.76 is: 13,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.03 : 15,393.12 = 9,731.76 : x
  2. Step 2: Convert to fraction form
    11,133.03/15,393.12 = 9,731.76/x
  3. Step 3: Cross multiply
    11,133.03x = 15,393.12 × 9,731.76
  4. Step 4: Simplify right side
    11,133.03x = 149,802,149.49
  5. Step 5: Solve for x
    x = 149,802,149.49/11,133.03
  6. Step 6: Final answer
    x = 13,455.65

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