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Finding the Fourth Proportional to 66,843.85, 100,262.08 and 22,466.02

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Solution

The fourth proportional to 66,843.85, 100,262.08 and 22,466.02 is: 33,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,843.85 : 100,262.08 = 22,466.02 : x
  2. Step 2: Convert to fraction form
    66,843.85/100,262.08 = 22,466.02/x
  3. Step 3: Cross multiply
    66,843.85x = 100,262.08 × 22,466.02
  4. Step 4: Simplify right side
    66,843.85x = 2,252,489,894.52
  5. Step 5: Solve for x
    x = 2,252,489,894.52/66,843.85
  6. Step 6: Final answer
    x = 33,697.79

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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.