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Finding the Fourth Proportional to 3,965.86, 5,950.06 and 2,485.99

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Solution

The fourth proportional to 3,965.86, 5,950.06 and 2,485.99 is: 3,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.86 : 5,950.06 = 2,485.99 : x
  2. Step 2: Convert to fraction form
    3,965.86/5,950.06 = 2,485.99/x
  3. Step 3: Cross multiply
    3,965.86x = 5,950.06 × 2,485.99
  4. Step 4: Simplify right side
    3,965.86x = 14,791,790.88
  5. Step 5: Solve for x
    x = 14,791,790.88/3,965.86
  6. Step 6: Final answer
    x = 3,729.78

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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.