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Finding the Fourth Proportional to 62,745.66, 86,589.50 and 35,886.56

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Solution

The fourth proportional to 62,745.66, 86,589.50 and 35,886.56 is: 49,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,745.66 : 86,589.50 = 35,886.56 : x
  2. Step 2: Convert to fraction form
    62,745.66/86,589.50 = 35,886.56/x
  3. Step 3: Cross multiply
    62,745.66x = 86,589.50 × 35,886.56
  4. Step 4: Simplify right side
    62,745.66x = 3,107,399,287.12
  5. Step 5: Solve for x
    x = 3,107,399,287.12/62,745.66
  6. Step 6: Final answer
    x = 49,523.73

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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.