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Finding the Fourth Proportional to 6,226.72, 8,592 and 3,432.40

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Solution

The fourth proportional to 6,226.72, 8,592 and 3,432.40 is: 4,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,226.72 : 8,592 = 3,432.40 : x
  2. Step 2: Convert to fraction form
    6,226.72/8,592 = 3,432.40/x
  3. Step 3: Cross multiply
    6,226.72x = 8,592 × 3,432.40
  4. Step 4: Simplify right side
    6,226.72x = 29,491,180.80
  5. Step 5: Solve for x
    x = 29,491,180.80/6,226.72
  6. Step 6: Final answer
    x = 4,736.23

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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.