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Finding the Fourth Proportional to 62,896.91, 86,797.78 and 36,039.94

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Solution

The fourth proportional to 62,896.91, 86,797.78 and 36,039.94 is: 49,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,896.91 : 86,797.78 = 36,039.94 : x
  2. Step 2: Convert to fraction form
    62,896.91/86,797.78 = 36,039.94/x
  3. Step 3: Cross multiply
    62,896.91x = 86,797.78 × 36,039.94
  4. Step 4: Simplify right side
    62,896.91x = 3,128,186,476.24
  5. Step 5: Solve for x
    x = 3,128,186,476.24/62,896.91
  6. Step 6: Final answer
    x = 49,735.14

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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.