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Finding the Fourth Proportional to 67,144.80, 92,657.96 and 36,930.12

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Solution

The fourth proportional to 67,144.80, 92,657.96 and 36,930.12 is: 50,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,144.80 : 92,657.96 = 36,930.12 : x
  2. Step 2: Convert to fraction form
    67,144.80/92,657.96 = 36,930.12/x
  3. Step 3: Cross multiply
    67,144.80x = 92,657.96 × 36,930.12
  4. Step 4: Simplify right side
    67,144.80x = 3,421,869,581.76
  5. Step 5: Solve for x
    x = 3,421,869,581.76/67,144.80
  6. Step 6: Final answer
    x = 50,962.54

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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.