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Finding the Fourth Proportional to 4,766.70, 7,150.05 and 2,579.70

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Solution

The fourth proportional to 4,766.70, 7,150.05 and 2,579.70 is: 3,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.70 : 7,150.05 = 2,579.70 : x
  2. Step 2: Convert to fraction form
    4,766.70/7,150.05 = 2,579.70/x
  3. Step 3: Cross multiply
    4,766.70x = 7,150.05 × 2,579.70
  4. Step 4: Simplify right side
    4,766.70x = 18,444,983.99
  5. Step 5: Solve for x
    x = 18,444,983.99/4,766.70
  6. Step 6: Final answer
    x = 3,869.55

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Similar ratio
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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.