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Finding the Fourth Proportional to 7,099.44, 10,650.72 and 2,170.32

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Solution

The fourth proportional to 7,099.44, 10,650.72 and 2,170.32 is: 3,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.44 : 10,650.72 = 2,170.32 : x
  2. Step 2: Convert to fraction form
    7,099.44/10,650.72 = 2,170.32/x
  3. Step 3: Cross multiply
    7,099.44x = 10,650.72 × 2,170.32
  4. Step 4: Simplify right side
    7,099.44x = 23,115,470.63
  5. Step 5: Solve for x
    x = 23,115,470.63/7,099.44
  6. Step 6: Final answer
    x = 3,255.96

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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.