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Finding the Fourth Proportional to 67,033.78, 92,507.37 and 36,819.80

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Solution

The fourth proportional to 67,033.78, 92,507.37 and 36,819.80 is: 50,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,033.78 : 92,507.37 = 36,819.80 : x
  2. Step 2: Convert to fraction form
    67,033.78/92,507.37 = 36,819.80/x
  3. Step 3: Cross multiply
    67,033.78x = 92,507.37 × 36,819.80
  4. Step 4: Simplify right side
    67,033.78x = 3,406,102,608.22
  5. Step 5: Solve for x
    x = 3,406,102,608.22/67,033.78
  6. Step 6: Final answer
    x = 50,811.74

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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.