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Finding the Fourth Proportional to 66,824.48, 92,214.36 and 36,609.86

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Solution

The fourth proportional to 66,824.48, 92,214.36 and 36,609.86 is: 50,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824.48 : 92,214.36 = 36,609.86 : x
  2. Step 2: Convert to fraction form
    66,824.48/92,214.36 = 36,609.86/x
  3. Step 3: Cross multiply
    66,824.48x = 92,214.36 × 36,609.86
  4. Step 4: Simplify right side
    66,824.48x = 3,375,954,348.52
  5. Step 5: Solve for x
    x = 3,375,954,348.52/66,824.48
  6. Step 6: Final answer
    x = 50,519.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.