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Finding the Fourth Proportional to 7,260.59, 10,891.44 and 3,100.64

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Solution

The fourth proportional to 7,260.59, 10,891.44 and 3,100.64 is: 4,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.59 : 10,891.44 = 3,100.64 : x
  2. Step 2: Convert to fraction form
    7,260.59/10,891.44 = 3,100.64/x
  3. Step 3: Cross multiply
    7,260.59x = 10,891.44 × 3,100.64
  4. Step 4: Simplify right side
    7,260.59x = 33,770,380.06
  5. Step 5: Solve for x
    x = 33,770,380.06/7,260.59
  6. Step 6: Final answer
    x = 4,651.19

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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.