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Finding the Fourth Proportional to 22,658.36, 33,982.87 and 8,613.46

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Solution

The fourth proportional to 22,658.36, 33,982.87 and 8,613.46 is: 12,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.36 : 33,982.87 = 8,613.46 : x
  2. Step 2: Convert to fraction form
    22,658.36/33,982.87 = 8,613.46/x
  3. Step 3: Cross multiply
    22,658.36x = 33,982.87 × 8,613.46
  4. Step 4: Simplify right side
    22,658.36x = 292,710,091.43
  5. Step 5: Solve for x
    x = 292,710,091.43/22,658.36
  6. Step 6: Final answer
    x = 12,918.41

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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.