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Finding the Fourth Proportional to 5,086.73, 7,010.17 and 3,965.90

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Solution

The fourth proportional to 5,086.73, 7,010.17 and 3,965.90 is: 5,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.73 : 7,010.17 = 3,965.90 : x
  2. Step 2: Convert to fraction form
    5,086.73/7,010.17 = 3,965.90/x
  3. Step 3: Cross multiply
    5,086.73x = 7,010.17 × 3,965.90
  4. Step 4: Simplify right side
    5,086.73x = 27,801,588.24
  5. Step 5: Solve for x
    x = 27,801,588.24/5,086.73
  6. Step 6: Final answer
    x = 5,465.51

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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.