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Finding the Fourth Proportional to 6,234.72, 8,604 and 3,440.28

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Solution

The fourth proportional to 6,234.72, 8,604 and 3,440.28 is: 4,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,234.72 : 8,604 = 3,440.28 : x
  2. Step 2: Convert to fraction form
    6,234.72/8,604 = 3,440.28/x
  3. Step 3: Cross multiply
    6,234.72x = 8,604 × 3,440.28
  4. Step 4: Simplify right side
    6,234.72x = 29,600,169.12
  5. Step 5: Solve for x
    x = 29,600,169.12/6,234.72
  6. Step 6: Final answer
    x = 4,747.63

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Why These Related Problems?

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