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Finding the Fourth Proportional to 67,028.88, 100,548.20 and 22,640.88

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Solution

The fourth proportional to 67,028.88, 100,548.20 and 22,640.88 is: 33,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,028.88 : 100,548.20 = 22,640.88 : x
  2. Step 2: Convert to fraction form
    67,028.88/100,548.20 = 22,640.88/x
  3. Step 3: Cross multiply
    67,028.88x = 100,548.20 × 22,640.88
  4. Step 4: Simplify right side
    67,028.88x = 2,276,499,730.42
  5. Step 5: Solve for x
    x = 2,276,499,730.42/67,028.88
  6. Step 6: Final answer
    x = 33,962.97

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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.