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Finding the Fourth Proportional to 22,118.68, 33,250.94 and 20,495.44

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Solution

The fourth proportional to 22,118.68, 33,250.94 and 20,495.44 is: 30,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118.68 : 33,250.94 = 20,495.44 : x
  2. Step 2: Convert to fraction form
    22,118.68/33,250.94 = 20,495.44/x
  3. Step 3: Cross multiply
    22,118.68x = 33,250.94 × 20,495.44
  4. Step 4: Simplify right side
    22,118.68x = 681,492,645.71
  5. Step 5: Solve for x
    x = 681,492,645.71/22,118.68
  6. Step 6: Final answer
    x = 30,810.73

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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.