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Finding the Fourth Proportional to 5,496.37, 7,585 and 2,978.48

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Solution

The fourth proportional to 5,496.37, 7,585 and 2,978.48 is: 4,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,496.37 : 7,585 = 2,978.48 : x
  2. Step 2: Convert to fraction form
    5,496.37/7,585 = 2,978.48/x
  3. Step 3: Cross multiply
    5,496.37x = 7,585 × 2,978.48
  4. Step 4: Simplify right side
    5,496.37x = 22,591,770.80
  5. Step 5: Solve for x
    x = 22,591,770.80/5,496.37
  6. Step 6: Final answer
    x = 4,110.31

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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.