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Finding the Fourth Proportional to 22,667.72, 33,980.73 and 12,144.98

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Solution

The fourth proportional to 22,667.72, 33,980.73 and 12,144.98 is: 18,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,667.72 : 33,980.73 = 12,144.98 : x
  2. Step 2: Convert to fraction form
    22,667.72/33,980.73 = 12,144.98/x
  3. Step 3: Cross multiply
    22,667.72x = 33,980.73 × 12,144.98
  4. Step 4: Simplify right side
    22,667.72x = 412,695,286.24
  5. Step 5: Solve for x
    x = 412,695,286.24/22,667.72
  6. Step 6: Final answer
    x = 18,206.30

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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.