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Finding the Fourth Proportional to 19,881.74, 29,822.53 and 10,029.30

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Solution

The fourth proportional to 19,881.74, 29,822.53 and 10,029.30 is: 15,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881.74 : 29,822.53 = 10,029.30 : x
  2. Step 2: Convert to fraction form
    19,881.74/29,822.53 = 10,029.30/x
  3. Step 3: Cross multiply
    19,881.74x = 29,822.53 × 10,029.30
  4. Step 4: Simplify right side
    19,881.74x = 299,099,100.13
  5. Step 5: Solve for x
    x = 299,099,100.13/19,881.74
  6. Step 6: Final answer
    x = 15,043.91

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