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Finding the Fourth Proportional to 43,697.12, 65,404.68 and 22,608.11

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Solution

The fourth proportional to 43,697.12, 65,404.68 and 22,608.11 is: 33,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,697.12 : 65,404.68 = 22,608.11 : x
  2. Step 2: Convert to fraction form
    43,697.12/65,404.68 = 22,608.11/x
  3. Step 3: Cross multiply
    43,697.12x = 65,404.68 × 22,608.11
  4. Step 4: Simplify right side
    43,697.12x = 1,478,675,872.93
  5. Step 5: Solve for x
    x = 1,478,675,872.93/43,697.12
  6. Step 6: Final answer
    x = 33,839.21

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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.