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Finding the Fourth Proportional to 23,515.92, 32,452.56 and 12,905.28

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Solution

The fourth proportional to 23,515.92, 32,452.56 and 12,905.28 is: 17,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.92 : 32,452.56 = 12,905.28 : x
  2. Step 2: Convert to fraction form
    23,515.92/32,452.56 = 12,905.28/x
  3. Step 3: Cross multiply
    23,515.92x = 32,452.56 × 12,905.28
  4. Step 4: Simplify right side
    23,515.92x = 418,809,373.52
  5. Step 5: Solve for x
    x = 418,809,373.52/23,515.92
  6. Step 6: Final answer
    x = 17,809.61

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