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Finding the Fourth Proportional to 22,651.43, 33,963.68 and 8,612.48

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Solution

The fourth proportional to 22,651.43, 33,963.68 and 8,612.48 is: 12,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.43 : 33,963.68 = 8,612.48 : x
  2. Step 2: Convert to fraction form
    22,651.43/33,963.68 = 8,612.48/x
  3. Step 3: Cross multiply
    22,651.43x = 33,963.68 × 8,612.48
  4. Step 4: Simplify right side
    22,651.43x = 292,511,578.71
  5. Step 5: Solve for x
    x = 292,511,578.71/22,651.43
  6. Step 6: Final answer
    x = 12,913.60

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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.