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Finding the Fourth Proportional to 62,696.69, 86,521.45 and 35,839.79

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Solution

The fourth proportional to 62,696.69, 86,521.45 and 35,839.79 is: 49,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,696.69 : 86,521.45 = 35,839.79 : x
  2. Step 2: Convert to fraction form
    62,696.69/86,521.45 = 35,839.79/x
  3. Step 3: Cross multiply
    62,696.69x = 86,521.45 × 35,839.79
  4. Step 4: Simplify right side
    62,696.69x = 3,100,910,725.20
  5. Step 5: Solve for x
    x = 3,100,910,725.20/62,696.69
  6. Step 6: Final answer
    x = 49,458.92

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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.