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Finding the Fourth Proportional to 4,793.87, 7,191.12 and 1,507.09

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Solution

The fourth proportional to 4,793.87, 7,191.12 and 1,507.09 is: 2,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.87 : 7,191.12 = 1,507.09 : x
  2. Step 2: Convert to fraction form
    4,793.87/7,191.12 = 1,507.09/x
  3. Step 3: Cross multiply
    4,793.87x = 7,191.12 × 1,507.09
  4. Step 4: Simplify right side
    4,793.87x = 10,837,639.53
  5. Step 5: Solve for x
    x = 10,837,639.53/4,793.87
  6. Step 6: Final answer
    x = 2,260.73

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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.