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Finding the Fourth Proportional to 62,765, 86,623.38 and 36,269

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Solution

The fourth proportional to 62,765, 86,623.38 and 36,269 is: 50,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,765 : 86,623.38 = 36,269 : x
  2. Step 2: Convert to fraction form
    62,765/86,623.38 = 36,269/x
  3. Step 3: Cross multiply
    62,765x = 86,623.38 × 36,269
  4. Step 4: Simplify right side
    62,765x = 3,141,743,369.22
  5. Step 5: Solve for x
    x = 3,141,743,369.22/62,765
  6. Step 6: Final answer
    x = 50,055.66

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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.