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Finding the Fourth Proportional to 5,879.22, 8,806.98 and 3,905.96

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Solution

The fourth proportional to 5,879.22, 8,806.98 and 3,905.96 is: 5,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.22 : 8,806.98 = 3,905.96 : x
  2. Step 2: Convert to fraction form
    5,879.22/8,806.98 = 3,905.96/x
  3. Step 3: Cross multiply
    5,879.22x = 8,806.98 × 3,905.96
  4. Step 4: Simplify right side
    5,879.22x = 34,399,715.24
  5. Step 5: Solve for x
    x = 34,399,715.24/5,879.22
  6. Step 6: Final answer
    x = 5,851.07

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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.