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Finding the Fourth Proportional to 22,221.80, 33,351.60 and 9,083.60

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Solution

The fourth proportional to 22,221.80, 33,351.60 and 9,083.60 is: 13,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.80 : 33,351.60 = 9,083.60 : x
  2. Step 2: Convert to fraction form
    22,221.80/33,351.60 = 9,083.60/x
  3. Step 3: Cross multiply
    22,221.80x = 33,351.60 × 9,083.60
  4. Step 4: Simplify right side
    22,221.80x = 302,952,593.76
  5. Step 5: Solve for x
    x = 302,952,593.76/22,221.80
  6. Step 6: Final answer
    x = 13,633.13

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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.