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Finding the Fourth Proportional to 61,687.45, 92,559.34 and 33,565.33

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Solution

The fourth proportional to 61,687.45, 92,559.34 and 33,565.33 is: 50,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,687.45 : 92,559.34 = 33,565.33 : x
  2. Step 2: Convert to fraction form
    61,687.45/92,559.34 = 33,565.33/x
  3. Step 3: Cross multiply
    61,687.45x = 92,559.34 × 33,565.33
  4. Step 4: Simplify right side
    61,687.45x = 3,106,784,791.68
  5. Step 5: Solve for x
    x = 3,106,784,791.68/61,687.45
  6. Step 6: Final answer
    x = 50,363.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.