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Finding the Fourth Proportional to 36,100.42, 49,819.65 and 19,968.22

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Solution

The fourth proportional to 36,100.42, 49,819.65 and 19,968.22 is: 27,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,100.42 : 49,819.65 = 19,968.22 : x
  2. Step 2: Convert to fraction form
    36,100.42/49,819.65 = 19,968.22/x
  3. Step 3: Cross multiply
    36,100.42x = 49,819.65 × 19,968.22
  4. Step 4: Simplify right side
    36,100.42x = 994,809,731.52
  5. Step 5: Solve for x
    x = 994,809,731.52/36,100.42
  6. Step 6: Final answer
    x = 27,556.74

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