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Finding the Fourth Proportional to 50,285.34, 69,874.92 and 49,738.56

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Solution

The fourth proportional to 50,285.34, 69,874.92 and 49,738.56 is: 69,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,285.34 : 69,874.92 = 49,738.56 : x
  2. Step 2: Convert to fraction form
    50,285.34/69,874.92 = 49,738.56/x
  3. Step 3: Cross multiply
    50,285.34x = 69,874.92 × 49,738.56
  4. Step 4: Simplify right side
    50,285.34x = 3,475,477,900.92
  5. Step 5: Solve for x
    x = 3,475,477,900.92/50,285.34
  6. Step 6: Final answer
    x = 69,115.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.