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Finding the Fourth Proportional to 47,405.79, 70,954.38 and 34,920.90

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Solution

The fourth proportional to 47,405.79, 70,954.38 and 34,920.90 is: 52,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,405.79 : 70,954.38 = 34,920.90 : x
  2. Step 2: Convert to fraction form
    47,405.79/70,954.38 = 34,920.90/x
  3. Step 3: Cross multiply
    47,405.79x = 70,954.38 × 34,920.90
  4. Step 4: Simplify right side
    47,405.79x = 2,477,790,808.54
  5. Step 5: Solve for x
    x = 2,477,790,808.54/47,405.79
  6. Step 6: Final answer
    x = 52,267.68

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