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Finding the Fourth Proportional to 33,405.77, 50,093.01 and 19,369.80

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Solution

The fourth proportional to 33,405.77, 50,093.01 and 19,369.80 is: 29,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,405.77 : 50,093.01 = 19,369.80 : x
  2. Step 2: Convert to fraction form
    33,405.77/50,093.01 = 19,369.80/x
  3. Step 3: Cross multiply
    33,405.77x = 50,093.01 × 19,369.80
  4. Step 4: Simplify right side
    33,405.77x = 970,291,585.10
  5. Step 5: Solve for x
    x = 970,291,585.10/33,405.77
  6. Step 6: Final answer
    x = 29,045.63

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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.