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Finding the Fourth Proportional to 8,768.66, 12,104.29 and 5,939.83

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Solution

The fourth proportional to 8,768.66, 12,104.29 and 5,939.83 is: 8,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.66 : 12,104.29 = 5,939.83 : x
  2. Step 2: Convert to fraction form
    8,768.66/12,104.29 = 5,939.83/x
  3. Step 3: Cross multiply
    8,768.66x = 12,104.29 × 5,939.83
  4. Step 4: Simplify right side
    8,768.66x = 71,897,414.01
  5. Step 5: Solve for x
    x = 71,897,414.01/8,768.66
  6. Step 6: Final answer
    x = 8,199.37

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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.