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Finding the Fourth Proportional to 8,352.72, 12,512.87 and 7,465.47

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Solution

The fourth proportional to 8,352.72, 12,512.87 and 7,465.47 is: 11,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.72 : 12,512.87 = 7,465.47 : x
  2. Step 2: Convert to fraction form
    8,352.72/12,512.87 = 7,465.47/x
  3. Step 3: Cross multiply
    8,352.72x = 12,512.87 × 7,465.47
  4. Step 4: Simplify right side
    8,352.72x = 93,414,388.85
  5. Step 5: Solve for x
    x = 93,414,388.85/8,352.72
  6. Step 6: Final answer
    x = 11,183.71

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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.