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Finding the Fourth Proportional to 71,080.20, 106,571.70 and 33,658.20

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Solution

The fourth proportional to 71,080.20, 106,571.70 and 33,658.20 is: 50,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,080.20 : 106,571.70 = 33,658.20 : x
  2. Step 2: Convert to fraction form
    71,080.20/106,571.70 = 33,658.20/x
  3. Step 3: Cross multiply
    71,080.20x = 106,571.70 × 33,658.20
  4. Step 4: Simplify right side
    71,080.20x = 3,587,011,592.94
  5. Step 5: Solve for x
    x = 3,587,011,592.94/71,080.20
  6. Step 6: Final answer
    x = 50,464.29

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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.