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Finding the Fourth Proportional to 8,441.98, 12,662.97 and 2,201.98

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Solution

The fourth proportional to 8,441.98, 12,662.97 and 2,201.98 is: 3,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.98 : 12,662.97 = 2,201.98 : x
  2. Step 2: Convert to fraction form
    8,441.98/12,662.97 = 2,201.98/x
  3. Step 3: Cross multiply
    8,441.98x = 12,662.97 × 2,201.98
  4. Step 4: Simplify right side
    8,441.98x = 27,883,622.51
  5. Step 5: Solve for x
    x = 27,883,622.51/8,441.98
  6. Step 6: Final answer
    x = 3,302.97

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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.