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Finding the Fourth Proportional to 6,344.76, 8,755.83 and 3,512.22

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Solution

The fourth proportional to 6,344.76, 8,755.83 and 3,512.22 is: 4,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.76 : 8,755.83 = 3,512.22 : x
  2. Step 2: Convert to fraction form
    6,344.76/8,755.83 = 3,512.22/x
  3. Step 3: Cross multiply
    6,344.76x = 8,755.83 × 3,512.22
  4. Step 4: Simplify right side
    6,344.76x = 30,752,401.24
  5. Step 5: Solve for x
    x = 30,752,401.24/6,344.76
  6. Step 6: Final answer
    x = 4,846.90

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Half scale
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Double scale
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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.