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Finding the Fourth Proportional to 49,093.92, 73,640.88 and 12,157.92

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Solution

The fourth proportional to 49,093.92, 73,640.88 and 12,157.92 is: 18,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,093.92 : 73,640.88 = 12,157.92 : x
  2. Step 2: Convert to fraction form
    49,093.92/73,640.88 = 12,157.92/x
  3. Step 3: Cross multiply
    49,093.92x = 73,640.88 × 12,157.92
  4. Step 4: Simplify right side
    49,093.92x = 895,319,927.77
  5. Step 5: Solve for x
    x = 895,319,927.77/49,093.92
  6. Step 6: Final answer
    x = 18,236.88

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1.5x scale

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.