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Finding the Fourth Proportional to 7,228.70, 10,843.05 and 5,500.70

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Solution

The fourth proportional to 7,228.70, 10,843.05 and 5,500.70 is: 8,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.70 : 10,843.05 = 5,500.70 : x
  2. Step 2: Convert to fraction form
    7,228.70/10,843.05 = 5,500.70/x
  3. Step 3: Cross multiply
    7,228.70x = 10,843.05 × 5,500.70
  4. Step 4: Simplify right side
    7,228.70x = 59,644,365.14
  5. Step 5: Solve for x
    x = 59,644,365.14/7,228.70
  6. Step 6: Final answer
    x = 8,251.05

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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.