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Finding the Fourth Proportional to 3,012.96, 4,515.97 and 1,163.06

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Solution

The fourth proportional to 3,012.96, 4,515.97 and 1,163.06 is: 1,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.96 : 4,515.97 = 1,163.06 : x
  2. Step 2: Convert to fraction form
    3,012.96/4,515.97 = 1,163.06/x
  3. Step 3: Cross multiply
    3,012.96x = 4,515.97 × 1,163.06
  4. Step 4: Simplify right side
    3,012.96x = 5,252,337.70
  5. Step 5: Solve for x
    x = 5,252,337.70/3,012.96
  6. Step 6: Final answer
    x = 1,743.25

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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.