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Finding the Fourth Proportional to 5,608.48, 7,739.33 and 3,369.03

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Solution

The fourth proportional to 5,608.48, 7,739.33 and 3,369.03 is: 4,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.48 : 7,739.33 = 3,369.03 : x
  2. Step 2: Convert to fraction form
    5,608.48/7,739.33 = 3,369.03/x
  3. Step 3: Cross multiply
    5,608.48x = 7,739.33 × 3,369.03
  4. Step 4: Simplify right side
    5,608.48x = 26,074,034.95
  5. Step 5: Solve for x
    x = 26,074,034.95/5,608.48
  6. Step 6: Final answer
    x = 4,649.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.