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Finding the Fourth Proportional to 5,066.89, 6,992.12 and 3,179.49

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Solution

The fourth proportional to 5,066.89, 6,992.12 and 3,179.49 is: 4,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.89 : 6,992.12 = 3,179.49 : x
  2. Step 2: Convert to fraction form
    5,066.89/6,992.12 = 3,179.49/x
  3. Step 3: Cross multiply
    5,066.89x = 6,992.12 × 3,179.49
  4. Step 4: Simplify right side
    5,066.89x = 22,231,383.57
  5. Step 5: Solve for x
    x = 22,231,383.57/5,066.89
  6. Step 6: Final answer
    x = 4,387.58

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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.