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Finding the Fourth Proportional to 16,535.20, 24,802.80 and 12,848.80

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Solution

The fourth proportional to 16,535.20, 24,802.80 and 12,848.80 is: 19,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,535.20 : 24,802.80 = 12,848.80 : x
  2. Step 2: Convert to fraction form
    16,535.20/24,802.80 = 12,848.80/x
  3. Step 3: Cross multiply
    16,535.20x = 24,802.80 × 12,848.80
  4. Step 4: Simplify right side
    16,535.20x = 318,686,216.64
  5. Step 5: Solve for x
    x = 318,686,216.64/16,535.20
  6. Step 6: Final answer
    x = 19,273.20

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