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Finding the Fourth Proportional to 18,449.91, 27,675.29 and 6,604.49

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Solution

The fourth proportional to 18,449.91, 27,675.29 and 6,604.49 is: 9,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.91 : 27,675.29 = 6,604.49 : x
  2. Step 2: Convert to fraction form
    18,449.91/27,675.29 = 6,604.49/x
  3. Step 3: Cross multiply
    18,449.91x = 27,675.29 × 6,604.49
  4. Step 4: Simplify right side
    18,449.91x = 182,781,290.83
  5. Step 5: Solve for x
    x = 182,781,290.83/18,449.91
  6. Step 6: Final answer
    x = 9,906.89

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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.