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Finding the Fourth Proportional to 7,596.44, 11,399.72 and 2,920.31

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Solution

The fourth proportional to 7,596.44, 11,399.72 and 2,920.31 is: 4,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,596.44 : 11,399.72 = 2,920.31 : x
  2. Step 2: Convert to fraction form
    7,596.44/11,399.72 = 2,920.31/x
  3. Step 3: Cross multiply
    7,596.44x = 11,399.72 × 2,920.31
  4. Step 4: Simplify right side
    7,596.44x = 33,290,716.31
  5. Step 5: Solve for x
    x = 33,290,716.31/7,596.44
  6. Step 6: Final answer
    x = 4,382.41

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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.