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Finding the Fourth Proportional to 4,849.72, 7,273.65 and 1,338.86

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Solution

The fourth proportional to 4,849.72, 7,273.65 and 1,338.86 is: 2,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.72 : 7,273.65 = 1,338.86 : x
  2. Step 2: Convert to fraction form
    4,849.72/7,273.65 = 1,338.86/x
  3. Step 3: Cross multiply
    4,849.72x = 7,273.65 × 1,338.86
  4. Step 4: Simplify right side
    4,849.72x = 9,738,399.04
  5. Step 5: Solve for x
    x = 9,738,399.04/4,849.72
  6. Step 6: Final answer
    x = 2,008.03

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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.