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Finding the Fourth Proportional to 6,269, 8,651.08 and 3,616.24

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Solution

The fourth proportional to 6,269, 8,651.08 and 3,616.24 is: 4,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269 : 8,651.08 = 3,616.24 : x
  2. Step 2: Convert to fraction form
    6,269/8,651.08 = 3,616.24/x
  3. Step 3: Cross multiply
    6,269x = 8,651.08 × 3,616.24
  4. Step 4: Simplify right side
    6,269x = 31,284,381.54
  5. Step 5: Solve for x
    x = 31,284,381.54/6,269
  6. Step 6: Final answer
    x = 4,990.33

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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.