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Finding the Fourth Proportional to 15,818.28, 23,726.56 and 8,026.90

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Solution

The fourth proportional to 15,818.28, 23,726.56 and 8,026.90 is: 12,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.28 : 23,726.56 = 8,026.90 : x
  2. Step 2: Convert to fraction form
    15,818.28/23,726.56 = 8,026.90/x
  3. Step 3: Cross multiply
    15,818.28x = 23,726.56 × 8,026.90
  4. Step 4: Simplify right side
    15,818.28x = 190,450,724.46
  5. Step 5: Solve for x
    x = 190,450,724.46/15,818.28
  6. Step 6: Final answer
    x = 12,039.91

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