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Finding the Fourth Proportional to 5,863.72, 8,092.74 and 3,379.72

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Solution

The fourth proportional to 5,863.72, 8,092.74 and 3,379.72 is: 4,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.72 : 8,092.74 = 3,379.72 : x
  2. Step 2: Convert to fraction form
    5,863.72/8,092.74 = 3,379.72/x
  3. Step 3: Cross multiply
    5,863.72x = 8,092.74 × 3,379.72
  4. Step 4: Simplify right side
    5,863.72x = 27,351,195.23
  5. Step 5: Solve for x
    x = 27,351,195.23/5,863.72
  6. Step 6: Final answer
    x = 4,664.48

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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.