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Finding the Fourth Proportional to 11,906.88, 17,861.04 and 3,473.64

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Solution

The fourth proportional to 11,906.88, 17,861.04 and 3,473.64 is: 5,210.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.88 : 17,861.04 = 3,473.64 : x
  2. Step 2: Convert to fraction form
    11,906.88/17,861.04 = 3,473.64/x
  3. Step 3: Cross multiply
    11,906.88x = 17,861.04 × 3,473.64
  4. Step 4: Simplify right side
    11,906.88x = 62,042,822.99
  5. Step 5: Solve for x
    x = 62,042,822.99/11,906.88
  6. Step 6: Final answer
    x = 5,210.67

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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.