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Finding the Fourth Proportional to 31,201.31, 46,801.97 and 10,424.81

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Solution

The fourth proportional to 31,201.31, 46,801.97 and 10,424.81 is: 15,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.31 : 46,801.97 = 10,424.81 : x
  2. Step 2: Convert to fraction form
    31,201.31/46,801.97 = 10,424.81/x
  3. Step 3: Cross multiply
    31,201.31x = 46,801.97 × 10,424.81
  4. Step 4: Simplify right side
    31,201.31x = 487,901,748.85
  5. Step 5: Solve for x
    x = 487,901,748.85/31,201.31
  6. Step 6: Final answer
    x = 15,637.22

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