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Finding the Fourth Proportional to 4,793.88, 7,190.82 and 1,507.44

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Solution

The fourth proportional to 4,793.88, 7,190.82 and 1,507.44 is: 2,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.88 : 7,190.82 = 1,507.44 : x
  2. Step 2: Convert to fraction form
    4,793.88/7,190.82 = 1,507.44/x
  3. Step 3: Cross multiply
    4,793.88x = 7,190.82 × 1,507.44
  4. Step 4: Simplify right side
    4,793.88x = 10,839,729.70
  5. Step 5: Solve for x
    x = 10,839,729.70/4,793.88
  6. Step 6: Final answer
    x = 2,261.16

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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.