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Finding the Fourth Proportional to 30,747.79, 46,122.09 and 8,560.63

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Solution

The fourth proportional to 30,747.79, 46,122.09 and 8,560.63 is: 12,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747.79 : 46,122.09 = 8,560.63 : x
  2. Step 2: Convert to fraction form
    30,747.79/46,122.09 = 8,560.63/x
  3. Step 3: Cross multiply
    30,747.79x = 46,122.09 × 8,560.63
  4. Step 4: Simplify right side
    30,747.79x = 394,834,147.32
  5. Step 5: Solve for x
    x = 394,834,147.32/30,747.79
  6. Step 6: Final answer
    x = 12,841.06

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