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Finding the Fourth Proportional to 62,486.83, 86,227.54 and 35,630.47

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Solution

The fourth proportional to 62,486.83, 86,227.54 and 35,630.47 is: 49,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,486.83 : 86,227.54 = 35,630.47 : x
  2. Step 2: Convert to fraction form
    62,486.83/86,227.54 = 35,630.47/x
  3. Step 3: Cross multiply
    62,486.83x = 86,227.54 × 35,630.47
  4. Step 4: Simplify right side
    62,486.83x = 3,072,327,777.14
  5. Step 5: Solve for x
    x = 3,072,327,777.14/62,486.83
  6. Step 6: Final answer
    x = 49,167.61

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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.