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Finding the Fourth Proportional to 3,993.44, 5,988.60 and 1,527.44

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Solution

The fourth proportional to 3,993.44, 5,988.60 and 1,527.44 is: 2,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.44 : 5,988.60 = 1,527.44 : x
  2. Step 2: Convert to fraction form
    3,993.44/5,988.60 = 1,527.44/x
  3. Step 3: Cross multiply
    3,993.44x = 5,988.60 × 1,527.44
  4. Step 4: Simplify right side
    3,993.44x = 9,147,227.18
  5. Step 5: Solve for x
    x = 9,147,227.18/3,993.44
  6. Step 6: Final answer
    x = 2,290.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.