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Finding the Fourth Proportional to 18,667.98, 27,992.25 and 8,804.61

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Solution

The fourth proportional to 18,667.98, 27,992.25 and 8,804.61 is: 13,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.98 : 27,992.25 = 8,804.61 : x
  2. Step 2: Convert to fraction form
    18,667.98/27,992.25 = 8,804.61/x
  3. Step 3: Cross multiply
    18,667.98x = 27,992.25 × 8,804.61
  4. Step 4: Simplify right side
    18,667.98x = 246,460,844.27
  5. Step 5: Solve for x
    x = 246,460,844.27/18,667.98
  6. Step 6: Final answer
    x = 13,202.33

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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.