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Finding the Fourth Proportional to 21,759.55, 32,633.24 and 7,717.79

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Solution

The fourth proportional to 21,759.55, 32,633.24 and 7,717.79 is: 11,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,759.55 : 32,633.24 = 7,717.79 : x
  2. Step 2: Convert to fraction form
    21,759.55/32,633.24 = 7,717.79/x
  3. Step 3: Cross multiply
    21,759.55x = 32,633.24 × 7,717.79
  4. Step 4: Simplify right side
    21,759.55x = 251,856,493.34
  5. Step 5: Solve for x
    x = 251,856,493.34/21,759.55
  6. Step 6: Final answer
    x = 11,574.53

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