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Finding the Fourth Proportional to 62,965.28, 86,891.87 and 34,670.97

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Solution

The fourth proportional to 62,965.28, 86,891.87 and 34,670.97 is: 47,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,965.28 : 86,891.87 = 34,670.97 : x
  2. Step 2: Convert to fraction form
    62,965.28/86,891.87 = 34,670.97/x
  3. Step 3: Cross multiply
    62,965.28x = 86,891.87 × 34,670.97
  4. Step 4: Simplify right side
    62,965.28x = 3,012,625,504.69
  5. Step 5: Solve for x
    x = 3,012,625,504.69/62,965.28
  6. Step 6: Final answer
    x = 47,845.82

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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.