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Finding the Fourth Proportional to 7,273.67, 10,914.42 and 2,891.17

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Solution

The fourth proportional to 7,273.67, 10,914.42 and 2,891.17 is: 4,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.67 : 10,914.42 = 2,891.17 : x
  2. Step 2: Convert to fraction form
    7,273.67/10,914.42 = 2,891.17/x
  3. Step 3: Cross multiply
    7,273.67x = 10,914.42 × 2,891.17
  4. Step 4: Simplify right side
    7,273.67x = 31,555,443.67
  5. Step 5: Solve for x
    x = 31,555,443.67/7,273.67
  6. Step 6: Final answer
    x = 4,338.31

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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.