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Finding the Fourth Proportional to 22,276.43, 33,379.49 and 8,217.11

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Solution

The fourth proportional to 22,276.43, 33,379.49 and 8,217.11 is: 12,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.43 : 33,379.49 = 8,217.11 : x
  2. Step 2: Convert to fraction form
    22,276.43/33,379.49 = 8,217.11/x
  3. Step 3: Cross multiply
    22,276.43x = 33,379.49 × 8,217.11
  4. Step 4: Simplify right side
    22,276.43x = 274,283,045.07
  5. Step 5: Solve for x
    x = 274,283,045.07/22,276.43
  6. Step 6: Final answer
    x = 12,312.70

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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.