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Finding the Fourth Proportional to 23,221.64, 34,821.83 and 7,423.61

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Solution

The fourth proportional to 23,221.64, 34,821.83 and 7,423.61 is: 11,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.64 : 34,821.83 = 7,423.61 : x
  2. Step 2: Convert to fraction form
    23,221.64/34,821.83 = 7,423.61/x
  3. Step 3: Cross multiply
    23,221.64x = 34,821.83 × 7,423.61
  4. Step 4: Simplify right side
    23,221.64x = 258,503,529.86
  5. Step 5: Solve for x
    x = 258,503,529.86/23,221.64
  6. Step 6: Final answer
    x = 11,132.01

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