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Finding the Fourth Proportional to 33,922.25, 50,842.50 and 12,557.89

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Solution

The fourth proportional to 33,922.25, 50,842.50 and 12,557.89 is: 18,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,922.25 : 50,842.50 = 12,557.89 : x
  2. Step 2: Convert to fraction form
    33,922.25/50,842.50 = 12,557.89/x
  3. Step 3: Cross multiply
    33,922.25x = 50,842.50 × 12,557.89
  4. Step 4: Simplify right side
    33,922.25x = 638,474,522.33
  5. Step 5: Solve for x
    x = 638,474,522.33/33,922.25
  6. Step 6: Final answer
    x = 18,821.70

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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.