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Finding the Fourth Proportional to 33,820.60, 50,739.60 and 19,792.48

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Solution

The fourth proportional to 33,820.60, 50,739.60 and 19,792.48 is: 29,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.60 : 50,739.60 = 19,792.48 : x
  2. Step 2: Convert to fraction form
    33,820.60/50,739.60 = 19,792.48/x
  3. Step 3: Cross multiply
    33,820.60x = 50,739.60 × 19,792.48
  4. Step 4: Simplify right side
    33,820.60x = 1,004,262,518.21
  5. Step 5: Solve for x
    x = 1,004,262,518.21/33,820.60
  6. Step 6: Final answer
    x = 29,693.81

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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.