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Finding the Fourth Proportional to 5,755.44, 8,626.20 and 4,086.94

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Solution

The fourth proportional to 5,755.44, 8,626.20 and 4,086.94 is: 6,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.44 : 8,626.20 = 4,086.94 : x
  2. Step 2: Convert to fraction form
    5,755.44/8,626.20 = 4,086.94/x
  3. Step 3: Cross multiply
    5,755.44x = 8,626.20 × 4,086.94
  4. Step 4: Simplify right side
    5,755.44x = 35,254,761.83
  5. Step 5: Solve for x
    x = 35,254,761.83/5,755.44
  6. Step 6: Final answer
    x = 6,125.47

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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.