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Finding the Fourth Proportional to 22,090.68, 33,135.86 and 8,942.86

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Solution

The fourth proportional to 22,090.68, 33,135.86 and 8,942.86 is: 13,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.68 : 33,135.86 = 8,942.86 : x
  2. Step 2: Convert to fraction form
    22,090.68/33,135.86 = 8,942.86/x
  3. Step 3: Cross multiply
    22,090.68x = 33,135.86 × 8,942.86
  4. Step 4: Simplify right side
    22,090.68x = 296,329,356.96
  5. Step 5: Solve for x
    x = 296,329,356.96/22,090.68
  6. Step 6: Final answer
    x = 13,414.23

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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.