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Finding the Fourth Proportional to 8,044.43, 12,066.82 and 5,662.78

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Solution

The fourth proportional to 8,044.43, 12,066.82 and 5,662.78 is: 8,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.43 : 12,066.82 = 5,662.78 : x
  2. Step 2: Convert to fraction form
    8,044.43/12,066.82 = 5,662.78/x
  3. Step 3: Cross multiply
    8,044.43x = 12,066.82 × 5,662.78
  4. Step 4: Simplify right side
    8,044.43x = 68,331,703.84
  5. Step 5: Solve for x
    x = 68,331,703.84/8,044.43
  6. Step 6: Final answer
    x = 8,494.29

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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.