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Finding the Fourth Proportional to 8,144.55, 11,239.16 and 4,608.50

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Solution

The fourth proportional to 8,144.55, 11,239.16 and 4,608.50 is: 6,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.55 : 11,239.16 = 4,608.50 : x
  2. Step 2: Convert to fraction form
    8,144.55/11,239.16 = 4,608.50/x
  3. Step 3: Cross multiply
    8,144.55x = 11,239.16 × 4,608.50
  4. Step 4: Simplify right side
    8,144.55x = 51,795,589.62
  5. Step 5: Solve for x
    x = 51,795,589.62/8,144.55
  6. Step 6: Final answer
    x = 6,359.54

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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.