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Finding the Fourth Proportional to 67,843.80, 93,630.05 and 37,638.85

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Solution

The fourth proportional to 67,843.80, 93,630.05 and 37,638.85 is: 51,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,843.80 : 93,630.05 = 37,638.85 : x
  2. Step 2: Convert to fraction form
    67,843.80/93,630.05 = 37,638.85/x
  3. Step 3: Cross multiply
    67,843.80x = 93,630.05 × 37,638.85
  4. Step 4: Simplify right side
    67,843.80x = 3,524,127,407.44
  5. Step 5: Solve for x
    x = 3,524,127,407.44/67,843.80
  6. Step 6: Final answer
    x = 51,944.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.