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Finding the Fourth Proportional to 62,764, 86,622 and 36,268

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Solution

The fourth proportional to 62,764, 86,622 and 36,268 is: 50,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,764 : 86,622 = 36,268 : x
  2. Step 2: Convert to fraction form
    62,764/86,622 = 36,268/x
  3. Step 3: Cross multiply
    62,764x = 86,622 × 36,268
  4. Step 4: Simplify right side
    62,764x = 3,141,606,696
  5. Step 5: Solve for x
    x = 3,141,606,696/62,764
  6. Step 6: Final answer
    x = 50,054.28

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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.