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Finding the Fourth Proportional to 21,726.81, 32,574.24 and 6,927.21

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Solution

The fourth proportional to 21,726.81, 32,574.24 and 6,927.21 is: 10,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.81 : 32,574.24 = 6,927.21 : x
  2. Step 2: Convert to fraction form
    21,726.81/32,574.24 = 6,927.21/x
  3. Step 3: Cross multiply
    21,726.81x = 32,574.24 × 6,927.21
  4. Step 4: Simplify right side
    21,726.81x = 225,648,601.07
  5. Step 5: Solve for x
    x = 225,648,601.07/21,726.81
  6. Step 6: Final answer
    x = 10,385.72

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