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Finding the Fourth Proportional to 59,231.26, 81,731.26 and 38,039.24

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Solution

The fourth proportional to 59,231.26, 81,731.26 and 38,039.24 is: 52,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,231.26 : 81,731.26 = 38,039.24 : x
  2. Step 2: Convert to fraction form
    59,231.26/81,731.26 = 38,039.24/x
  3. Step 3: Cross multiply
    59,231.26x = 81,731.26 × 38,039.24
  4. Step 4: Simplify right side
    59,231.26x = 3,108,995,014.64
  5. Step 5: Solve for x
    x = 3,108,995,014.64/59,231.26
  6. Step 6: Final answer
    x = 52,489.09

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Why These Related Problems?

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