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Finding the Fourth Proportional to 49,809.52, 68,755.53 and 30,692.44

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Solution

The fourth proportional to 49,809.52, 68,755.53 and 30,692.44 is: 42,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,809.52 : 68,755.53 = 30,692.44 : x
  2. Step 2: Convert to fraction form
    49,809.52/68,755.53 = 30,692.44/x
  3. Step 3: Cross multiply
    49,809.52x = 68,755.53 × 30,692.44
  4. Step 4: Simplify right side
    49,809.52x = 2,110,274,979.19
  5. Step 5: Solve for x
    x = 2,110,274,979.19/49,809.52
  6. Step 6: Final answer
    x = 42,366.90

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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.