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Finding the Fourth Proportional to 62,865.51, 86,755.25 and 36,007.99

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Solution

The fourth proportional to 62,865.51, 86,755.25 and 36,007.99 is: 49,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,865.51 : 86,755.25 = 36,007.99 : x
  2. Step 2: Convert to fraction form
    62,865.51/86,755.25 = 36,007.99/x
  3. Step 3: Cross multiply
    62,865.51x = 86,755.25 × 36,007.99
  4. Step 4: Simplify right side
    62,865.51x = 3,123,882,142.73
  5. Step 5: Solve for x
    x = 3,123,882,142.73/62,865.51
  6. Step 6: Final answer
    x = 49,691.51

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1.5x scale

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.