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Finding the Fourth Proportional to 5,757.26, 8,593.86 and 4,940.78

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Solution

The fourth proportional to 5,757.26, 8,593.86 and 4,940.78 is: 7,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.26 : 8,593.86 = 4,940.78 : x
  2. Step 2: Convert to fraction form
    5,757.26/8,593.86 = 4,940.78/x
  3. Step 3: Cross multiply
    5,757.26x = 8,593.86 × 4,940.78
  4. Step 4: Simplify right side
    5,757.26x = 42,460,346.91
  5. Step 5: Solve for x
    x = 42,460,346.91/5,757.26
  6. Step 6: Final answer
    x = 7,375.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.