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Finding the Fourth Proportional to 62,694.53, 86,518.45 and 35,837.61

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Solution

The fourth proportional to 62,694.53, 86,518.45 and 35,837.61 is: 49,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,694.53 : 86,518.45 = 35,837.61 : x
  2. Step 2: Convert to fraction form
    62,694.53/86,518.45 = 35,837.61/x
  3. Step 3: Cross multiply
    62,694.53x = 86,518.45 × 35,837.61
  4. Step 4: Simplify right side
    62,694.53x = 3,100,614,289.72
  5. Step 5: Solve for x
    x = 3,100,614,289.72/62,694.53
  6. Step 6: Final answer
    x = 49,455.90

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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.