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Finding the Fourth Proportional to 24,810.80, 37,218.60 and 7,280.80

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Solution

The fourth proportional to 24,810.80, 37,218.60 and 7,280.80 is: 10,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,810.80 : 37,218.60 = 7,280.80 : x
  2. Step 2: Convert to fraction form
    24,810.80/37,218.60 = 7,280.80/x
  3. Step 3: Cross multiply
    24,810.80x = 37,218.60 × 7,280.80
  4. Step 4: Simplify right side
    24,810.80x = 270,981,182.88
  5. Step 5: Solve for x
    x = 270,981,182.88/24,810.80
  6. Step 6: Final answer
    x = 10,921.90

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