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Finding the Fourth Proportional to 67,239.61, 100,830.25 and 22,854.44

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Solution

The fourth proportional to 67,239.61, 100,830.25 and 22,854.44 is: 34,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,239.61 : 100,830.25 = 22,854.44 : x
  2. Step 2: Convert to fraction form
    67,239.61/100,830.25 = 22,854.44/x
  3. Step 3: Cross multiply
    67,239.61x = 100,830.25 × 22,854.44
  4. Step 4: Simplify right side
    67,239.61x = 2,304,419,179.45
  5. Step 5: Solve for x
    x = 2,304,419,179.45/67,239.61
  6. Step 6: Final answer
    x = 34,271.75

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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.