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Finding the Fourth Proportional to 67,856, 93,631.44 and 37,641.44

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Solution

The fourth proportional to 67,856, 93,631.44 and 37,641.44 is: 51,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,856 : 93,631.44 = 37,641.44 : x
  2. Step 2: Convert to fraction form
    67,856/93,631.44 = 37,641.44/x
  3. Step 3: Cross multiply
    67,856x = 93,631.44 × 37,641.44
  4. Step 4: Simplify right side
    67,856x = 3,524,422,230.87
  5. Step 5: Solve for x
    x = 3,524,422,230.87/67,856
  6. Step 6: Final answer
    x = 51,939.73

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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.