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Finding the Fourth Proportional to 4,783.86, 7,173.97 and 1,663.03

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Solution

The fourth proportional to 4,783.86, 7,173.97 and 1,663.03 is: 2,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.86 : 7,173.97 = 1,663.03 : x
  2. Step 2: Convert to fraction form
    4,783.86/7,173.97 = 1,663.03/x
  3. Step 3: Cross multiply
    4,783.86x = 7,173.97 × 1,663.03
  4. Step 4: Simplify right side
    4,783.86x = 11,930,532.14
  5. Step 5: Solve for x
    x = 11,930,532.14/4,783.86
  6. Step 6: Final answer
    x = 2,493.91

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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.