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Finding the Fourth Proportional to 5,480.96, 8,207.50 and 3,995.63

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Solution

The fourth proportional to 5,480.96, 8,207.50 and 3,995.63 is: 5,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.96 : 8,207.50 = 3,995.63 : x
  2. Step 2: Convert to fraction form
    5,480.96/8,207.50 = 3,995.63/x
  3. Step 3: Cross multiply
    5,480.96x = 8,207.50 × 3,995.63
  4. Step 4: Simplify right side
    5,480.96x = 32,794,092.19
  5. Step 5: Solve for x
    x = 32,794,092.19/5,480.96
  6. Step 6: Final answer
    x = 5,983.28

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Double scale
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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.