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Finding the Fourth Proportional to 66,552.94, 91,843.34 and 36,338.93

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Solution

The fourth proportional to 66,552.94, 91,843.34 and 36,338.93 is: 50,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.94 : 91,843.34 = 36,338.93 : x
  2. Step 2: Convert to fraction form
    66,552.94/91,843.34 = 36,338.93/x
  3. Step 3: Cross multiply
    66,552.94x = 91,843.34 × 36,338.93
  4. Step 4: Simplify right side
    66,552.94x = 3,337,488,406.73
  5. Step 5: Solve for x
    x = 3,337,488,406.73/66,552.94
  6. Step 6: Final answer
    x = 50,147.87

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1.5x scale

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.