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Finding the Fourth Proportional to 5,755.30, 8,632.94 and 1,806.41

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Solution

The fourth proportional to 5,755.30, 8,632.94 and 1,806.41 is: 2,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.30 : 8,632.94 = 1,806.41 : x
  2. Step 2: Convert to fraction form
    5,755.30/8,632.94 = 1,806.41/x
  3. Step 3: Cross multiply
    5,755.30x = 8,632.94 × 1,806.41
  4. Step 4: Simplify right side
    5,755.30x = 15,594,629.15
  5. Step 5: Solve for x
    x = 15,594,629.15/5,755.30
  6. Step 6: Final answer
    x = 2,709.61

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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.