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Finding the Fourth Proportional to 33,091.80, 49,644.90 and 10,901.40

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Solution

The fourth proportional to 33,091.80, 49,644.90 and 10,901.40 is: 16,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,091.80 : 49,644.90 = 10,901.40 : x
  2. Step 2: Convert to fraction form
    33,091.80/49,644.90 = 10,901.40/x
  3. Step 3: Cross multiply
    33,091.80x = 49,644.90 × 10,901.40
  4. Step 4: Simplify right side
    33,091.80x = 541,198,912.86
  5. Step 5: Solve for x
    x = 541,198,912.86/33,091.80
  6. Step 6: Final answer
    x = 16,354.47

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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.