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Finding the Fourth Proportional to 62,135.97, 85,758.76 and 36,640.79

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Solution

The fourth proportional to 62,135.97, 85,758.76 and 36,640.79 is: 50,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,135.97 : 85,758.76 = 36,640.79 : x
  2. Step 2: Convert to fraction form
    62,135.97/85,758.76 = 36,640.79/x
  3. Step 3: Cross multiply
    62,135.97x = 85,758.76 × 36,640.79
  4. Step 4: Simplify right side
    62,135.97x = 3,142,269,067.74
  5. Step 5: Solve for x
    x = 3,142,269,067.74/62,135.97
  6. Step 6: Final answer
    x = 50,570.85

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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.