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Finding the Fourth Proportional to 8,348.46, 12,522.96 and 3,963.66

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Solution

The fourth proportional to 8,348.46, 12,522.96 and 3,963.66 is: 5,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.46 : 12,522.96 = 3,963.66 : x
  2. Step 2: Convert to fraction form
    8,348.46/12,522.96 = 3,963.66/x
  3. Step 3: Cross multiply
    8,348.46x = 12,522.96 × 3,963.66
  4. Step 4: Simplify right side
    8,348.46x = 49,636,755.63
  5. Step 5: Solve for x
    x = 49,636,755.63/8,348.46
  6. Step 6: Final answer
    x = 5,945.62

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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.