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Finding the Fourth Proportional to 4,906.68, 6,771.34 and 2,668.68

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Solution

The fourth proportional to 4,906.68, 6,771.34 and 2,668.68 is: 3,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.68 : 6,771.34 = 2,668.68 : x
  2. Step 2: Convert to fraction form
    4,906.68/6,771.34 = 2,668.68/x
  3. Step 3: Cross multiply
    4,906.68x = 6,771.34 × 2,668.68
  4. Step 4: Simplify right side
    4,906.68x = 18,070,539.63
  5. Step 5: Solve for x
    x = 18,070,539.63/4,906.68
  6. Step 6: Final answer
    x = 3,682.85

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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.