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Finding the Fourth Proportional to 6,243.54, 8,627.49 and 5,939.82

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Solution

The fourth proportional to 6,243.54, 8,627.49 and 5,939.82 is: 8,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.54 : 8,627.49 = 5,939.82 : x
  2. Step 2: Convert to fraction form
    6,243.54/8,627.49 = 5,939.82/x
  3. Step 3: Cross multiply
    6,243.54x = 8,627.49 × 5,939.82
  4. Step 4: Simplify right side
    6,243.54x = 51,245,737.65
  5. Step 5: Solve for x
    x = 51,245,737.65/6,243.54
  6. Step 6: Final answer
    x = 8,207.80

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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.