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Finding the Fourth Proportional to 8,504.54, 12,735.60 and 5,375.12

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Solution

The fourth proportional to 8,504.54, 12,735.60 and 5,375.12 is: 8,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.54 : 12,735.60 = 5,375.12 : x
  2. Step 2: Convert to fraction form
    8,504.54/12,735.60 = 5,375.12/x
  3. Step 3: Cross multiply
    8,504.54x = 12,735.60 × 5,375.12
  4. Step 4: Simplify right side
    8,504.54x = 68,455,378.27
  5. Step 5: Solve for x
    x = 68,455,378.27/8,504.54
  6. Step 6: Final answer
    x = 8,049.27

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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.