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Finding the Fourth Proportional to 8,217.29, 11,339.86 and 4,440.46

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Solution

The fourth proportional to 8,217.29, 11,339.86 and 4,440.46 is: 6,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.29 : 11,339.86 = 4,440.46 : x
  2. Step 2: Convert to fraction form
    8,217.29/11,339.86 = 4,440.46/x
  3. Step 3: Cross multiply
    8,217.29x = 11,339.86 × 4,440.46
  4. Step 4: Simplify right side
    8,217.29x = 50,354,115.83
  5. Step 5: Solve for x
    x = 50,354,115.83/8,217.29
  6. Step 6: Final answer
    x = 6,127.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.