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Finding the Fourth Proportional to 71,105.44, 106,689.30 and 33,692.23

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Solution

The fourth proportional to 71,105.44, 106,689.30 and 33,692.23 is: 50,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,105.44 : 106,689.30 = 33,692.23 : x
  2. Step 2: Convert to fraction form
    71,105.44/106,689.30 = 33,692.23/x
  3. Step 3: Cross multiply
    71,105.44x = 106,689.30 × 33,692.23
  4. Step 4: Simplify right side
    71,105.44x = 3,594,600,434.14
  5. Step 5: Solve for x
    x = 3,594,600,434.14/71,105.44
  6. Step 6: Final answer
    x = 50,553.10

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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.