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Finding the Fourth Proportional to 62,806.62, 86,672.88 and 35,949

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Solution

The fourth proportional to 62,806.62, 86,672.88 and 35,949 is: 49,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,806.62 : 86,672.88 = 35,949 : x
  2. Step 2: Convert to fraction form
    62,806.62/86,672.88 = 35,949/x
  3. Step 3: Cross multiply
    62,806.62x = 86,672.88 × 35,949
  4. Step 4: Simplify right side
    62,806.62x = 3,115,803,363.12
  5. Step 5: Solve for x
    x = 3,115,803,363.12/62,806.62
  6. Step 6: Final answer
    x = 49,609.47

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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.