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Finding the Fourth Proportional to 29,145.47, 43,676.82 and 13,311.59

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Solution

The fourth proportional to 29,145.47, 43,676.82 and 13,311.59 is: 19,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.47 : 43,676.82 = 13,311.59 : x
  2. Step 2: Convert to fraction form
    29,145.47/43,676.82 = 13,311.59/x
  3. Step 3: Cross multiply
    29,145.47x = 43,676.82 × 13,311.59
  4. Step 4: Simplify right side
    29,145.47x = 581,407,701.96
  5. Step 5: Solve for x
    x = 581,407,701.96/29,145.47
  6. Step 6: Final answer
    x = 19,948.48

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