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Finding the Fourth Proportional to 9,229.76, 13,843.20 and 4,297.76

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Solution

The fourth proportional to 9,229.76, 13,843.20 and 4,297.76 is: 6,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.76 : 13,843.20 = 4,297.76 : x
  2. Step 2: Convert to fraction form
    9,229.76/13,843.20 = 4,297.76/x
  3. Step 3: Cross multiply
    9,229.76x = 13,843.20 × 4,297.76
  4. Step 4: Simplify right side
    9,229.76x = 59,494,751.23
  5. Step 5: Solve for x
    x = 59,494,751.23/9,229.76
  6. Step 6: Final answer
    x = 6,445.97

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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.