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Finding the Fourth Proportional to 7,236.87, 9,986.79 and 4,050.27

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Solution

The fourth proportional to 7,236.87, 9,986.79 and 4,050.27 is: 5,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.87 : 9,986.79 = 4,050.27 : x
  2. Step 2: Convert to fraction form
    7,236.87/9,986.79 = 4,050.27/x
  3. Step 3: Cross multiply
    7,236.87x = 9,986.79 × 4,050.27
  4. Step 4: Simplify right side
    7,236.87x = 40,449,195.93
  5. Step 5: Solve for x
    x = 40,449,195.93/7,236.87
  6. Step 6: Final answer
    x = 5,589.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.