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Finding the Fourth Proportional to 8,082.73, 11,153.76 and 4,545.73

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Solution

The fourth proportional to 8,082.73, 11,153.76 and 4,545.73 is: 6,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.73 : 11,153.76 = 4,545.73 : x
  2. Step 2: Convert to fraction form
    8,082.73/11,153.76 = 4,545.73/x
  3. Step 3: Cross multiply
    8,082.73x = 11,153.76 × 4,545.73
  4. Step 4: Simplify right side
    8,082.73x = 50,701,981.44
  5. Step 5: Solve for x
    x = 50,701,981.44/8,082.73
  6. Step 6: Final answer
    x = 6,272.88

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Half scale
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Double scale
Find fourth proportional to 8,083.73, 11,155.14 and 4,546.73
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.