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Finding the Fourth Proportional to 61,933.68, 85,480.92 and 36,778.32

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Solution

The fourth proportional to 61,933.68, 85,480.92 and 36,778.32 is: 50,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,933.68 : 85,480.92 = 36,778.32 : x
  2. Step 2: Convert to fraction form
    61,933.68/85,480.92 = 36,778.32/x
  3. Step 3: Cross multiply
    61,933.68x = 85,480.92 × 36,778.32
  4. Step 4: Simplify right side
    61,933.68x = 3,143,844,629.65
  5. Step 5: Solve for x
    x = 3,143,844,629.65/61,933.68
  6. Step 6: Final answer
    x = 50,761.47

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1.5x scale

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.