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Finding the Fourth Proportional to 26,634.72, 39,914.02 and 19,559.24

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Solution

The fourth proportional to 26,634.72, 39,914.02 and 19,559.24 is: 29,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,634.72 : 39,914.02 = 19,559.24 : x
  2. Step 2: Convert to fraction form
    26,634.72/39,914.02 = 19,559.24/x
  3. Step 3: Cross multiply
    26,634.72x = 39,914.02 × 19,559.24
  4. Step 4: Simplify right side
    26,634.72x = 780,687,761.08
  5. Step 5: Solve for x
    x = 780,687,761.08/26,634.72
  6. Step 6: Final answer
    x = 29,310.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.