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Finding the Fourth Proportional to 34,855.47, 48,100.70 and 18,939.98

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Solution

The fourth proportional to 34,855.47, 48,100.70 and 18,939.98 is: 26,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.47 : 48,100.70 = 18,939.98 : x
  2. Step 2: Convert to fraction form
    34,855.47/48,100.70 = 18,939.98/x
  3. Step 3: Cross multiply
    34,855.47x = 48,100.70 × 18,939.98
  4. Step 4: Simplify right side
    34,855.47x = 911,026,295.99
  5. Step 5: Solve for x
    x = 911,026,295.99/34,855.47
  6. Step 6: Final answer
    x = 26,137.25

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