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Finding the Fourth Proportional to 33,848.48, 50,768.64 and 17,220.48

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Solution

The fourth proportional to 33,848.48, 50,768.64 and 17,220.48 is: 25,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,848.48 : 50,768.64 = 17,220.48 : x
  2. Step 2: Convert to fraction form
    33,848.48/50,768.64 = 17,220.48/x
  3. Step 3: Cross multiply
    33,848.48x = 50,768.64 × 17,220.48
  4. Step 4: Simplify right side
    33,848.48x = 874,260,349.75
  5. Step 5: Solve for x
    x = 874,260,349.75/33,848.48
  6. Step 6: Final answer
    x = 25,828.65

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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.