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Finding the Fourth Proportional to 58,550.49, 80,799.65 and 31,693.22

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Solution

The fourth proportional to 58,550.49, 80,799.65 and 31,693.22 is: 43,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,550.49 : 80,799.65 = 31,693.22 : x
  2. Step 2: Convert to fraction form
    58,550.49/80,799.65 = 31,693.22/x
  3. Step 3: Cross multiply
    58,550.49x = 80,799.65 × 31,693.22
  4. Step 4: Simplify right side
    58,550.49x = 2,560,800,520.91
  5. Step 5: Solve for x
    x = 2,560,800,520.91/58,550.49
  6. Step 6: Final answer
    x = 43,736.62

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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.