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Finding the Fourth Proportional to 4,793.14, 7,189.71 and 2,019.70

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Solution

The fourth proportional to 4,793.14, 7,189.71 and 2,019.70 is: 3,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.14 : 7,189.71 = 2,019.70 : x
  2. Step 2: Convert to fraction form
    4,793.14/7,189.71 = 2,019.70/x
  3. Step 3: Cross multiply
    4,793.14x = 7,189.71 × 2,019.70
  4. Step 4: Simplify right side
    4,793.14x = 14,521,057.29
  5. Step 5: Solve for x
    x = 14,521,057.29/4,793.14
  6. Step 6: Final answer
    x = 3,029.55

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Half scale
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Double scale
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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.