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Finding the Fourth Proportional to 6,260.86, 8,636.92 and 3,993.26

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Solution

The fourth proportional to 6,260.86, 8,636.92 and 3,993.26 is: 5,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.86 : 8,636.92 = 3,993.26 : x
  2. Step 2: Convert to fraction form
    6,260.86/8,636.92 = 3,993.26/x
  3. Step 3: Cross multiply
    6,260.86x = 8,636.92 × 3,993.26
  4. Step 4: Simplify right side
    6,260.86x = 34,489,467.16
  5. Step 5: Solve for x
    x = 34,489,467.16/6,260.86
  6. Step 6: Final answer
    x = 5,508.74

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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.