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Finding the Fourth Proportional to 67,031.62, 100,559.78 and 22,055.49

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Solution

The fourth proportional to 67,031.62, 100,559.78 and 22,055.49 is: 33,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,031.62 : 100,559.78 = 22,055.49 : x
  2. Step 2: Convert to fraction form
    67,031.62/100,559.78 = 22,055.49/x
  3. Step 3: Cross multiply
    67,031.62x = 100,559.78 × 22,055.49
  4. Step 4: Simplify right side
    67,031.62x = 2,217,895,194.62
  5. Step 5: Solve for x
    x = 2,217,895,194.62/67,031.62
  6. Step 6: Final answer
    x = 33,087.30

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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.