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Finding the Fourth Proportional to 22,605.36, 33,918.12 and 8,755.44

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Solution

The fourth proportional to 22,605.36, 33,918.12 and 8,755.44 is: 13,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.36 : 33,918.12 = 8,755.44 : x
  2. Step 2: Convert to fraction form
    22,605.36/33,918.12 = 8,755.44/x
  3. Step 3: Cross multiply
    22,605.36x = 33,918.12 × 8,755.44
  4. Step 4: Simplify right side
    22,605.36x = 296,968,064.57
  5. Step 5: Solve for x
    x = 296,968,064.57/22,605.36
  6. Step 6: Final answer
    x = 13,137.06

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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.