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Finding the Fourth Proportional to 22,486.84, 33,704.98 and 8,433.24

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Solution

The fourth proportional to 22,486.84, 33,704.98 and 8,433.24 is: 12,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.84 : 33,704.98 = 8,433.24 : x
  2. Step 2: Convert to fraction form
    22,486.84/33,704.98 = 8,433.24/x
  3. Step 3: Cross multiply
    22,486.84x = 33,704.98 × 8,433.24
  4. Step 4: Simplify right side
    22,486.84x = 284,242,185.54
  5. Step 5: Solve for x
    x = 284,242,185.54/22,486.84
  6. Step 6: Final answer
    x = 12,640.38

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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.