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Finding the Fourth Proportional to 5,649.75, 7,796.66 and 3,293.87

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Solution

The fourth proportional to 5,649.75, 7,796.66 and 3,293.87 is: 4,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.75 : 7,796.66 = 3,293.87 : x
  2. Step 2: Convert to fraction form
    5,649.75/7,796.66 = 3,293.87/x
  3. Step 3: Cross multiply
    5,649.75x = 7,796.66 × 3,293.87
  4. Step 4: Simplify right side
    5,649.75x = 25,681,129.02
  5. Step 5: Solve for x
    x = 25,681,129.02/5,649.75
  6. Step 6: Final answer
    x = 4,545.53

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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.