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Finding the Fourth Proportional to 3,166.92, 4,743.48 and 2,612.88

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Solution

The fourth proportional to 3,166.92, 4,743.48 and 2,612.88 is: 3,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.92 : 4,743.48 = 2,612.88 : x
  2. Step 2: Convert to fraction form
    3,166.92/4,743.48 = 2,612.88/x
  3. Step 3: Cross multiply
    3,166.92x = 4,743.48 × 2,612.88
  4. Step 4: Simplify right side
    3,166.92x = 12,394,144.02
  5. Step 5: Solve for x
    x = 12,394,144.02/3,166.92
  6. Step 6: Final answer
    x = 3,913.63

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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.