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Finding the Fourth Proportional to 29,296.12, 40,431.54 and 16,722.76

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Solution

The fourth proportional to 29,296.12, 40,431.54 and 16,722.76 is: 23,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.12 : 40,431.54 = 16,722.76 : x
  2. Step 2: Convert to fraction form
    29,296.12/40,431.54 = 16,722.76/x
  3. Step 3: Cross multiply
    29,296.12x = 40,431.54 × 16,722.76
  4. Step 4: Simplify right side
    29,296.12x = 676,126,939.85
  5. Step 5: Solve for x
    x = 676,126,939.85/29,296.12
  6. Step 6: Final answer
    x = 23,079.06

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