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Finding the Fourth Proportional to 33,800.52, 50,746.78 and 19,019.88

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Solution

The fourth proportional to 33,800.52, 50,746.78 and 19,019.88 is: 28,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,800.52 : 50,746.78 = 19,019.88 : x
  2. Step 2: Convert to fraction form
    33,800.52/50,746.78 = 19,019.88/x
  3. Step 3: Cross multiply
    33,800.52x = 50,746.78 × 19,019.88
  4. Step 4: Simplify right side
    33,800.52x = 965,197,665.99
  5. Step 5: Solve for x
    x = 965,197,665.99/33,800.52
  6. Step 6: Final answer
    x = 28,555.70

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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.