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Finding the Fourth Proportional to 45,668.36, 68,406.90 and 36,735.44

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Solution

The fourth proportional to 45,668.36, 68,406.90 and 36,735.44 is: 55,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,668.36 : 68,406.90 = 36,735.44 : x
  2. Step 2: Convert to fraction form
    45,668.36/68,406.90 = 36,735.44/x
  3. Step 3: Cross multiply
    45,668.36x = 68,406.90 × 36,735.44
  4. Step 4: Simplify right side
    45,668.36x = 2,512,957,570.54
  5. Step 5: Solve for x
    x = 2,512,957,570.54/45,668.36
  6. Step 6: Final answer
    x = 55,026.23

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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.