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Finding the Fourth Proportional to 6,251.16, 8,626.90 and 3,456.84

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Solution

The fourth proportional to 6,251.16, 8,626.90 and 3,456.84 is: 4,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.16 : 8,626.90 = 3,456.84 : x
  2. Step 2: Convert to fraction form
    6,251.16/8,626.90 = 3,456.84/x
  3. Step 3: Cross multiply
    6,251.16x = 8,626.90 × 3,456.84
  4. Step 4: Simplify right side
    6,251.16x = 29,821,813.00
  5. Step 5: Solve for x
    x = 29,821,813.00/6,251.16
  6. Step 6: Final answer
    x = 4,770.60

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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.