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Finding the Fourth Proportional to 5,608.69, 7,739.96 and 3,371.80

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Solution

The fourth proportional to 5,608.69, 7,739.96 and 3,371.80 is: 4,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.69 : 7,739.96 = 3,371.80 : x
  2. Step 2: Convert to fraction form
    5,608.69/7,739.96 = 3,371.80/x
  3. Step 3: Cross multiply
    5,608.69x = 7,739.96 × 3,371.80
  4. Step 4: Simplify right side
    5,608.69x = 26,097,597.13
  5. Step 5: Solve for x
    x = 26,097,597.13/5,608.69
  6. Step 6: Final answer
    x = 4,653.06

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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.