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Finding the Fourth Proportional to 35,712.82, 53,572.78 and 13,229.51

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Solution

The fourth proportional to 35,712.82, 53,572.78 and 13,229.51 is: 19,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712.82 : 53,572.78 = 13,229.51 : x
  2. Step 2: Convert to fraction form
    35,712.82/53,572.78 = 13,229.51/x
  3. Step 3: Cross multiply
    35,712.82x = 53,572.78 × 13,229.51
  4. Step 4: Simplify right side
    35,712.82x = 708,741,628.74
  5. Step 5: Solve for x
    x = 708,741,628.74/35,712.82
  6. Step 6: Final answer
    x = 19,845.58

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