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Finding the Fourth Proportional to 7,375.07, 11,063.21 and 2,991.96

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Solution

The fourth proportional to 7,375.07, 11,063.21 and 2,991.96 is: 4,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.07 : 11,063.21 = 2,991.96 : x
  2. Step 2: Convert to fraction form
    7,375.07/11,063.21 = 2,991.96/x
  3. Step 3: Cross multiply
    7,375.07x = 11,063.21 × 2,991.96
  4. Step 4: Simplify right side
    7,375.07x = 33,100,626.48
  5. Step 5: Solve for x
    x = 33,100,626.48/7,375.07
  6. Step 6: Final answer
    x = 4,488.18

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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.