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Finding the Fourth Proportional to 39,559.79, 54,592.58 and 21,655.94

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Solution

The fourth proportional to 39,559.79, 54,592.58 and 21,655.94 is: 29,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,559.79 : 54,592.58 = 21,655.94 : x
  2. Step 2: Convert to fraction form
    39,559.79/54,592.58 = 21,655.94/x
  3. Step 3: Cross multiply
    39,559.79x = 54,592.58 × 21,655.94
  4. Step 4: Simplify right side
    39,559.79x = 1,182,253,255.68
  5. Step 5: Solve for x
    x = 1,182,253,255.68/39,559.79
  6. Step 6: Final answer
    x = 29,885.23

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