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Finding the Fourth Proportional to 22,059, 33,090.12 and 8,208

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Solution

The fourth proportional to 22,059, 33,090.12 and 8,208 is: 12,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059 : 33,090.12 = 8,208 : x
  2. Step 2: Convert to fraction form
    22,059/33,090.12 = 8,208/x
  3. Step 3: Cross multiply
    22,059x = 33,090.12 × 8,208
  4. Step 4: Simplify right side
    22,059x = 271,603,704.96
  5. Step 5: Solve for x
    x = 271,603,704.96/22,059
  6. Step 6: Final answer
    x = 12,312.60

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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.