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Finding the Fourth Proportional to 7,608.52, 11,405.67 and 3,902.55

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Solution

The fourth proportional to 7,608.52, 11,405.67 and 3,902.55 is: 5,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.52 : 11,405.67 = 3,902.55 : x
  2. Step 2: Convert to fraction form
    7,608.52/11,405.67 = 3,902.55/x
  3. Step 3: Cross multiply
    7,608.52x = 11,405.67 × 3,902.55
  4. Step 4: Simplify right side
    7,608.52x = 44,511,197.46
  5. Step 5: Solve for x
    x = 44,511,197.46/7,608.52
  6. Step 6: Final answer
    x = 5,850.18

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1.5x scale

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.