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Finding the Fourth Proportional to 7,099.73, 10,650.63 and 2,168.74

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Solution

The fourth proportional to 7,099.73, 10,650.63 and 2,168.74 is: 3,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.73 : 10,650.63 = 2,168.74 : x
  2. Step 2: Convert to fraction form
    7,099.73/10,650.63 = 2,168.74/x
  3. Step 3: Cross multiply
    7,099.73x = 10,650.63 × 2,168.74
  4. Step 4: Simplify right side
    7,099.73x = 23,098,383.21
  5. Step 5: Solve for x
    x = 23,098,383.21/7,099.73
  6. Step 6: Final answer
    x = 3,253.42

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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.