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Finding the Fourth Proportional to 5,805.68, 8,719.73 and 4,974.62

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Solution

The fourth proportional to 5,805.68, 8,719.73 and 4,974.62 is: 7,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.68 : 8,719.73 = 4,974.62 : x
  2. Step 2: Convert to fraction form
    5,805.68/8,719.73 = 4,974.62/x
  3. Step 3: Cross multiply
    5,805.68x = 8,719.73 × 4,974.62
  4. Step 4: Simplify right side
    5,805.68x = 43,377,318.38
  5. Step 5: Solve for x
    x = 43,377,318.38/5,805.68
  6. Step 6: Final answer
    x = 7,471.53

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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.