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Finding the Fourth Proportional to 67,104.89, 92,605.89 and 36,891.47

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Solution

The fourth proportional to 67,104.89, 92,605.89 and 36,891.47 is: 50,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,104.89 : 92,605.89 = 36,891.47 : x
  2. Step 2: Convert to fraction form
    67,104.89/92,605.89 = 36,891.47/x
  3. Step 3: Cross multiply
    67,104.89x = 92,605.89 × 36,891.47
  4. Step 4: Simplify right side
    67,104.89x = 3,416,367,412.76
  5. Step 5: Solve for x
    x = 3,416,367,412.76/67,104.89
  6. Step 6: Final answer
    x = 50,910.86

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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.