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Finding the Fourth Proportional to 67,992.20, 93,824.89 and 37,776.97

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Solution

The fourth proportional to 67,992.20, 93,824.89 and 37,776.97 is: 52,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,992.20 : 93,824.89 = 37,776.97 : x
  2. Step 2: Convert to fraction form
    67,992.20/93,824.89 = 37,776.97/x
  3. Step 3: Cross multiply
    67,992.20x = 93,824.89 × 37,776.97
  4. Step 4: Simplify right side
    67,992.20x = 3,544,420,054.78
  5. Step 5: Solve for x
    x = 3,544,420,054.78/67,992.20
  6. Step 6: Final answer
    x = 52,129.80

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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.