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Finding the Fourth Proportional to 67,066.93, 100,537.84 and 22,662.64

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Solution

The fourth proportional to 67,066.93, 100,537.84 and 22,662.64 is: 33,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,066.93 : 100,537.84 = 22,662.64 : x
  2. Step 2: Convert to fraction form
    67,066.93/100,537.84 = 22,662.64/x
  3. Step 3: Cross multiply
    67,066.93x = 100,537.84 × 22,662.64
  4. Step 4: Simplify right side
    67,066.93x = 2,278,452,874.30
  5. Step 5: Solve for x
    x = 2,278,452,874.30/67,066.93
  6. Step 6: Final answer
    x = 33,972.82

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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.