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Finding the Fourth Proportional to 6,344.71, 8,755.78 and 3,512.35

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Solution

The fourth proportional to 6,344.71, 8,755.78 and 3,512.35 is: 4,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.71 : 8,755.78 = 3,512.35 : x
  2. Step 2: Convert to fraction form
    6,344.71/8,755.78 = 3,512.35/x
  3. Step 3: Cross multiply
    6,344.71x = 8,755.78 × 3,512.35
  4. Step 4: Simplify right side
    6,344.71x = 30,753,328.30
  5. Step 5: Solve for x
    x = 30,753,328.30/6,344.71
  6. Step 6: Final answer
    x = 4,847.08

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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.