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Finding the Fourth Proportional to 33,802.52, 50,749.78 and 19,021.88

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Solution

The fourth proportional to 33,802.52, 50,749.78 and 19,021.88 is: 28,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,802.52 : 50,749.78 = 19,021.88 : x
  2. Step 2: Convert to fraction form
    33,802.52/50,749.78 = 19,021.88/x
  3. Step 3: Cross multiply
    33,802.52x = 50,749.78 × 19,021.88
  4. Step 4: Simplify right side
    33,802.52x = 965,356,225.19
  5. Step 5: Solve for x
    x = 965,356,225.19/33,802.52
  6. Step 6: Final answer
    x = 28,558.71

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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.