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Finding the Fourth Proportional to 7,273.56, 10,907.90 and 2,889.84

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Solution

The fourth proportional to 7,273.56, 10,907.90 and 2,889.84 is: 4,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.56 : 10,907.90 = 2,889.84 : x
  2. Step 2: Convert to fraction form
    7,273.56/10,907.90 = 2,889.84/x
  3. Step 3: Cross multiply
    7,273.56x = 10,907.90 × 2,889.84
  4. Step 4: Simplify right side
    7,273.56x = 31,522,085.74
  5. Step 5: Solve for x
    x = 31,522,085.74/7,273.56
  6. Step 6: Final answer
    x = 4,333.79

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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.