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Finding the Fourth Proportional to 13,654.44, 20,483.28 and 6,260.76

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Solution

The fourth proportional to 13,654.44, 20,483.28 and 6,260.76 is: 9,391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.44 : 20,483.28 = 6,260.76 : x
  2. Step 2: Convert to fraction form
    13,654.44/20,483.28 = 6,260.76/x
  3. Step 3: Cross multiply
    13,654.44x = 20,483.28 × 6,260.76
  4. Step 4: Simplify right side
    13,654.44x = 128,240,900.09
  5. Step 5: Solve for x
    x = 128,240,900.09/13,654.44
  6. Step 6: Final answer
    x = 9,391.88

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