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Finding the Fourth Proportional to 32,578.20, 48,867.30 and 15,940.80

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Solution

The fourth proportional to 32,578.20, 48,867.30 and 15,940.80 is: 23,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.20 : 48,867.30 = 15,940.80 : x
  2. Step 2: Convert to fraction form
    32,578.20/48,867.30 = 15,940.80/x
  3. Step 3: Cross multiply
    32,578.20x = 48,867.30 × 15,940.80
  4. Step 4: Simplify right side
    32,578.20x = 778,983,855.84
  5. Step 5: Solve for x
    x = 778,983,855.84/32,578.20
  6. Step 6: Final answer
    x = 23,911.20

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