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Finding the Fourth Proportional to 58,550.48, 80,799.68 and 31,692.90

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Solution

The fourth proportional to 58,550.48, 80,799.68 and 31,692.90 is: 43,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,550.48 : 80,799.68 = 31,692.90 : x
  2. Step 2: Convert to fraction form
    58,550.48/80,799.68 = 31,692.90/x
  3. Step 3: Cross multiply
    58,550.48x = 80,799.68 × 31,692.90
  4. Step 4: Simplify right side
    58,550.48x = 2,560,776,382.23
  5. Step 5: Solve for x
    x = 2,560,776,382.23/58,550.48
  6. Step 6: Final answer
    x = 43,736.22

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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.