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Finding the Fourth Proportional to 5,608.02, 7,741.44 and 3,993.96

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Solution

The fourth proportional to 5,608.02, 7,741.44 and 3,993.96 is: 5,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.02 : 7,741.44 = 3,993.96 : x
  2. Step 2: Convert to fraction form
    5,608.02/7,741.44 = 3,993.96/x
  3. Step 3: Cross multiply
    5,608.02x = 7,741.44 × 3,993.96
  4. Step 4: Simplify right side
    5,608.02x = 30,919,001.70
  5. Step 5: Solve for x
    x = 30,919,001.70/5,608.02
  6. Step 6: Final answer
    x = 5,513.35

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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.