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Finding the Fourth Proportional to 66,773.21, 100,093.19 and 33,391.35

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Solution

The fourth proportional to 66,773.21, 100,093.19 and 33,391.35 is: 50,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,773.21 : 100,093.19 = 33,391.35 : x
  2. Step 2: Convert to fraction form
    66,773.21/100,093.19 = 33,391.35/x
  3. Step 3: Cross multiply
    66,773.21x = 100,093.19 × 33,391.35
  4. Step 4: Simplify right side
    66,773.21x = 3,342,246,572.95
  5. Step 5: Solve for x
    x = 3,342,246,572.95/66,773.21
  6. Step 6: Final answer
    x = 50,053.71

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1.5x scale

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.