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Finding the Fourth Proportional to 41,478.20, 62,220.90 and 13,401.08

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Solution

The fourth proportional to 41,478.20, 62,220.90 and 13,401.08 is: 20,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,478.20 : 62,220.90 = 13,401.08 : x
  2. Step 2: Convert to fraction form
    41,478.20/62,220.90 = 13,401.08/x
  3. Step 3: Cross multiply
    41,478.20x = 62,220.90 × 13,401.08
  4. Step 4: Simplify right side
    41,478.20x = 833,827,258.57
  5. Step 5: Solve for x
    x = 833,827,258.57/41,478.20
  6. Step 6: Final answer
    x = 20,102.78

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