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Finding the Fourth Proportional to 6,769.80, 10,154.70 and 2,873.70

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Solution

The fourth proportional to 6,769.80, 10,154.70 and 2,873.70 is: 4,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.80 : 10,154.70 = 2,873.70 : x
  2. Step 2: Convert to fraction form
    6,769.80/10,154.70 = 2,873.70/x
  3. Step 3: Cross multiply
    6,769.80x = 10,154.70 × 2,873.70
  4. Step 4: Simplify right side
    6,769.80x = 29,181,561.39
  5. Step 5: Solve for x
    x = 29,181,561.39/6,769.80
  6. Step 6: Final answer
    x = 4,310.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.