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Finding the Fourth Proportional to 8,628.22, 12,944.26 and 4,730.62

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Solution

The fourth proportional to 8,628.22, 12,944.26 and 4,730.62 is: 7,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.22 : 12,944.26 = 4,730.62 : x
  2. Step 2: Convert to fraction form
    8,628.22/12,944.26 = 4,730.62/x
  3. Step 3: Cross multiply
    8,628.22x = 12,944.26 × 4,730.62
  4. Step 4: Simplify right side
    8,628.22x = 61,234,375.24
  5. Step 5: Solve for x
    x = 61,234,375.24/8,628.22
  6. Step 6: Final answer
    x = 7,096.99

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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.