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Finding the Fourth Proportional to 8,379.94, 12,571.98 and 2,536.24

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Solution

The fourth proportional to 8,379.94, 12,571.98 and 2,536.24 is: 3,804.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.94 : 12,571.98 = 2,536.24 : x
  2. Step 2: Convert to fraction form
    8,379.94/12,571.98 = 2,536.24/x
  3. Step 3: Cross multiply
    8,379.94x = 12,571.98 × 2,536.24
  4. Step 4: Simplify right side
    8,379.94x = 31,885,558.56
  5. Step 5: Solve for x
    x = 31,885,558.56/8,379.94
  6. Step 6: Final answer
    x = 3,804.99

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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.