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Finding the Fourth Proportional to 61,662.08, 85,093.91 and 33,367.78

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Solution

The fourth proportional to 61,662.08, 85,093.91 and 33,367.78 is: 46,047.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662.08 : 85,093.91 = 33,367.78 : x
  2. Step 2: Convert to fraction form
    61,662.08/85,093.91 = 33,367.78/x
  3. Step 3: Cross multiply
    61,662.08x = 85,093.91 × 33,367.78
  4. Step 4: Simplify right side
    61,662.08x = 2,839,394,868.22
  5. Step 5: Solve for x
    x = 2,839,394,868.22/61,662.08
  6. Step 6: Final answer
    x = 46,047.67

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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.