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Finding the Fourth Proportional to 47,402.52, 71,107.86 and 12,342.24

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Solution

The fourth proportional to 47,402.52, 71,107.86 and 12,342.24 is: 18,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,402.52 : 71,107.86 = 12,342.24 : x
  2. Step 2: Convert to fraction form
    47,402.52/71,107.86 = 12,342.24/x
  3. Step 3: Cross multiply
    47,402.52x = 71,107.86 × 12,342.24
  4. Step 4: Simplify right side
    47,402.52x = 877,630,274.01
  5. Step 5: Solve for x
    x = 877,630,274.01/47,402.52
  6. Step 6: Final answer
    x = 18,514.42

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