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Finding the Fourth Proportional to 25,619.20, 38,428.80 and 16,004.80

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Solution

The fourth proportional to 25,619.20, 38,428.80 and 16,004.80 is: 24,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.20 : 38,428.80 = 16,004.80 : x
  2. Step 2: Convert to fraction form
    25,619.20/38,428.80 = 16,004.80/x
  3. Step 3: Cross multiply
    25,619.20x = 38,428.80 × 16,004.80
  4. Step 4: Simplify right side
    25,619.20x = 615,045,258.24
  5. Step 5: Solve for x
    x = 615,045,258.24/25,619.20
  6. Step 6: Final answer
    x = 24,007.20

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