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Finding the Fourth Proportional to 29,558.88, 40,789.92 and 16,129.56

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Solution

The fourth proportional to 29,558.88, 40,789.92 and 16,129.56 is: 22,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558.88 : 40,789.92 = 16,129.56 : x
  2. Step 2: Convert to fraction form
    29,558.88/40,789.92 = 16,129.56/x
  3. Step 3: Cross multiply
    29,558.88x = 40,789.92 × 16,129.56
  4. Step 4: Simplify right side
    29,558.88x = 657,923,462.04
  5. Step 5: Solve for x
    x = 657,923,462.04/29,558.88
  6. Step 6: Final answer
    x = 22,258.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.