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Finding the Fourth Proportional to 4,600.20, 6,893.10 and 3,865.80

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Solution

The fourth proportional to 4,600.20, 6,893.10 and 3,865.80 is: 5,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.20 : 6,893.10 = 3,865.80 : x
  2. Step 2: Convert to fraction form
    4,600.20/6,893.10 = 3,865.80/x
  3. Step 3: Cross multiply
    4,600.20x = 6,893.10 × 3,865.80
  4. Step 4: Simplify right side
    4,600.20x = 26,647,345.98
  5. Step 5: Solve for x
    x = 26,647,345.98/4,600.20
  6. Step 6: Final answer
    x = 5,792.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.