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Finding the Fourth Proportional to 20,799.48, 31,200.80 and 6,008.51

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Solution

The fourth proportional to 20,799.48, 31,200.80 and 6,008.51 is: 9,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.48 : 31,200.80 = 6,008.51 : x
  2. Step 2: Convert to fraction form
    20,799.48/31,200.80 = 6,008.51/x
  3. Step 3: Cross multiply
    20,799.48x = 31,200.80 × 6,008.51
  4. Step 4: Simplify right side
    20,799.48x = 187,470,366.77
  5. Step 5: Solve for x
    x = 187,470,366.77/20,799.48
  6. Step 6: Final answer
    x = 9,013.22

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