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Finding the Fourth Proportional to 47,305.12, 70,940.36 and 15,709.45

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Solution

The fourth proportional to 47,305.12, 70,940.36 and 15,709.45 is: 23,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,305.12 : 70,940.36 = 15,709.45 : x
  2. Step 2: Convert to fraction form
    47,305.12/70,940.36 = 15,709.45/x
  3. Step 3: Cross multiply
    47,305.12x = 70,940.36 × 15,709.45
  4. Step 4: Simplify right side
    47,305.12x = 1,114,433,900.32
  5. Step 5: Solve for x
    x = 1,114,433,900.32/47,305.12
  6. Step 6: Final answer
    x = 23,558.42

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