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Finding the Fourth Proportional to 33,894.37, 50,849.79 and 10,521.01

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Solution

The fourth proportional to 33,894.37, 50,849.79 and 10,521.01 is: 15,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,894.37 : 50,849.79 = 10,521.01 : x
  2. Step 2: Convert to fraction form
    33,894.37/50,849.79 = 10,521.01/x
  3. Step 3: Cross multiply
    33,894.37x = 50,849.79 × 10,521.01
  4. Step 4: Simplify right side
    33,894.37x = 534,991,149.09
  5. Step 5: Solve for x
    x = 534,991,149.09/33,894.37
  6. Step 6: Final answer
    x = 15,784.07

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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.