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Finding the Fourth Proportional to 12,254.65, 16,906.51 and 8,004.26

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Solution

The fourth proportional to 12,254.65, 16,906.51 and 8,004.26 is: 11,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.65 : 16,906.51 = 8,004.26 : x
  2. Step 2: Convert to fraction form
    12,254.65/16,906.51 = 8,004.26/x
  3. Step 3: Cross multiply
    12,254.65x = 16,906.51 × 8,004.26
  4. Step 4: Simplify right side
    12,254.65x = 135,324,101.73
  5. Step 5: Solve for x
    x = 135,324,101.73/12,254.65
  6. Step 6: Final answer
    x = 11,042.67

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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.