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Finding the Fourth Proportional to 8,361.99, 12,536.51 and 3,741.75

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Solution

The fourth proportional to 8,361.99, 12,536.51 and 3,741.75 is: 5,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.99 : 12,536.51 = 3,741.75 : x
  2. Step 2: Convert to fraction form
    8,361.99/12,536.51 = 3,741.75/x
  3. Step 3: Cross multiply
    8,361.99x = 12,536.51 × 3,741.75
  4. Step 4: Simplify right side
    8,361.99x = 46,908,467.58
  5. Step 5: Solve for x
    x = 46,908,467.58/8,361.99
  6. Step 6: Final answer
    x = 5,609.73

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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.