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Finding the Fourth Proportional to 5,608.44, 7,739.64 and 3,250.62

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Solution

The fourth proportional to 5,608.44, 7,739.64 and 3,250.62 is: 4,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.44 : 7,739.64 = 3,250.62 : x
  2. Step 2: Convert to fraction form
    5,608.44/7,739.64 = 3,250.62/x
  3. Step 3: Cross multiply
    5,608.44x = 7,739.64 × 3,250.62
  4. Step 4: Simplify right side
    5,608.44x = 25,158,628.58
  5. Step 5: Solve for x
    x = 25,158,628.58/5,608.44
  6. Step 6: Final answer
    x = 4,485.85

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1.5x scale

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.