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Finding the Fourth Proportional to 6,149.87, 8,486.85 and 3,497.23

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Solution

The fourth proportional to 6,149.87, 8,486.85 and 3,497.23 is: 4,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.87 : 8,486.85 = 3,497.23 : x
  2. Step 2: Convert to fraction form
    6,149.87/8,486.85 = 3,497.23/x
  3. Step 3: Cross multiply
    6,149.87x = 8,486.85 × 3,497.23
  4. Step 4: Simplify right side
    6,149.87x = 29,680,432.57
  5. Step 5: Solve for x
    x = 29,680,432.57/6,149.87
  6. Step 6: Final answer
    x = 4,826.19

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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.