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Finding the Fourth Proportional to 6,224.67, 8,589.81 and 3,391.98

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Solution

The fourth proportional to 6,224.67, 8,589.81 and 3,391.98 is: 4,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,224.67 : 8,589.81 = 3,391.98 : x
  2. Step 2: Convert to fraction form
    6,224.67/8,589.81 = 3,391.98/x
  3. Step 3: Cross multiply
    6,224.67x = 8,589.81 × 3,391.98
  4. Step 4: Simplify right side
    6,224.67x = 29,136,463.72
  5. Step 5: Solve for x
    x = 29,136,463.72/6,224.67
  6. Step 6: Final answer
    x = 4,680.80

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1.5x scale

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.