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Finding the Fourth Proportional to 5,910.62, 8,865.96 and 5,549.78

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Solution

The fourth proportional to 5,910.62, 8,865.96 and 5,549.78 is: 8,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.62 : 8,865.96 = 5,549.78 : x
  2. Step 2: Convert to fraction form
    5,910.62/8,865.96 = 5,549.78/x
  3. Step 3: Cross multiply
    5,910.62x = 8,865.96 × 5,549.78
  4. Step 4: Simplify right side
    5,910.62x = 49,204,127.49
  5. Step 5: Solve for x
    x = 49,204,127.49/5,910.62
  6. Step 6: Final answer
    x = 8,324.70

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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.