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Finding the Fourth Proportional to 50,787.78, 70,014.09 and 35,633.49

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Solution

The fourth proportional to 50,787.78, 70,014.09 and 35,633.49 is: 49,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787.78 : 70,014.09 = 35,633.49 : x
  2. Step 2: Convert to fraction form
    50,787.78/70,014.09 = 35,633.49/x
  3. Step 3: Cross multiply
    50,787.78x = 70,014.09 × 35,633.49
  4. Step 4: Simplify right side
    50,787.78x = 2,494,846,375.87
  5. Step 5: Solve for x
    x = 2,494,846,375.87/50,787.78
  6. Step 6: Final answer
    x = 49,122.97

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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.