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Finding the Fourth Proportional to 31,654.52, 47,485.44 and 14,122.16

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Solution

The fourth proportional to 31,654.52, 47,485.44 and 14,122.16 is: 21,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.52 : 47,485.44 = 14,122.16 : x
  2. Step 2: Convert to fraction form
    31,654.52/47,485.44 = 14,122.16/x
  3. Step 3: Cross multiply
    31,654.52x = 47,485.44 × 14,122.16
  4. Step 4: Simplify right side
    31,654.52x = 670,596,981.35
  5. Step 5: Solve for x
    x = 670,596,981.35/31,654.52
  6. Step 6: Final answer
    x = 21,184.87

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