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Finding the Fourth Proportional to 22,294.62, 30,766.44 and 12,223.47

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Solution

The fourth proportional to 22,294.62, 30,766.44 and 12,223.47 is: 16,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.62 : 30,766.44 = 12,223.47 : x
  2. Step 2: Convert to fraction form
    22,294.62/30,766.44 = 12,223.47/x
  3. Step 3: Cross multiply
    22,294.62x = 30,766.44 × 12,223.47
  4. Step 4: Simplify right side
    22,294.62x = 376,072,656.35
  5. Step 5: Solve for x
    x = 376,072,656.35/22,294.62
  6. Step 6: Final answer
    x = 16,868.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.