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Finding the Fourth Proportional to 33,788.40, 50,608.44 and 21,900.48

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Solution

The fourth proportional to 33,788.40, 50,608.44 and 21,900.48 is: 32,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,788.40 : 50,608.44 = 21,900.48 : x
  2. Step 2: Convert to fraction form
    33,788.40/50,608.44 = 21,900.48/x
  3. Step 3: Cross multiply
    33,788.40x = 50,608.44 × 21,900.48
  4. Step 4: Simplify right side
    33,788.40x = 1,108,349,128.05
  5. Step 5: Solve for x
    x = 1,108,349,128.05/33,788.40
  6. Step 6: Final answer
    x = 32,802.65

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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.