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Finding the Fourth Proportional to 49,758.80, 68,644.98 and 33,620.96

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Solution

The fourth proportional to 49,758.80, 68,644.98 and 33,620.96 is: 46,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,758.80 : 68,644.98 = 33,620.96 : x
  2. Step 2: Convert to fraction form
    49,758.80/68,644.98 = 33,620.96/x
  3. Step 3: Cross multiply
    49,758.80x = 68,644.98 × 33,620.96
  4. Step 4: Simplify right side
    49,758.80x = 2,307,910,126.78
  5. Step 5: Solve for x
    x = 2,307,910,126.78/49,758.80
  6. Step 6: Final answer
    x = 46,381.95

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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.