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Finding the Fourth Proportional to 11,294.80, 16,942.05 and 3,503.62

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Solution

The fourth proportional to 11,294.80, 16,942.05 and 3,503.62 is: 5,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.80 : 16,942.05 = 3,503.62 : x
  2. Step 2: Convert to fraction form
    11,294.80/16,942.05 = 3,503.62/x
  3. Step 3: Cross multiply
    11,294.80x = 16,942.05 × 3,503.62
  4. Step 4: Simplify right side
    11,294.80x = 59,358,505.22
  5. Step 5: Solve for x
    x = 59,358,505.22/11,294.80
  6. Step 6: Final answer
    x = 5,255.38

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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.