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Finding the Fourth Proportional to 5,828.72, 8,736.12 and 3,358.41

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Solution

The fourth proportional to 5,828.72, 8,736.12 and 3,358.41 is: 5,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.72 : 8,736.12 = 3,358.41 : x
  2. Step 2: Convert to fraction form
    5,828.72/8,736.12 = 3,358.41/x
  3. Step 3: Cross multiply
    5,828.72x = 8,736.12 × 3,358.41
  4. Step 4: Simplify right side
    5,828.72x = 29,339,472.77
  5. Step 5: Solve for x
    x = 29,339,472.77/5,828.72
  6. Step 6: Final answer
    x = 5,033.61

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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.