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Finding the Fourth Proportional to 17,861.49, 24,650.34 and 9,906.29

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Solution

The fourth proportional to 17,861.49, 24,650.34 and 9,906.29 is: 13,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.49 : 24,650.34 = 9,906.29 : x
  2. Step 2: Convert to fraction form
    17,861.49/24,650.34 = 9,906.29/x
  3. Step 3: Cross multiply
    17,861.49x = 24,650.34 × 9,906.29
  4. Step 4: Simplify right side
    17,861.49x = 244,193,293.39
  5. Step 5: Solve for x
    x = 244,193,293.39/17,861.49
  6. Step 6: Final answer
    x = 13,671.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.