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Finding the Fourth Proportional to 8,361.05, 11,538.38 and 4,584.56

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Solution

The fourth proportional to 8,361.05, 11,538.38 and 4,584.56 is: 6,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.05 : 11,538.38 = 4,584.56 : x
  2. Step 2: Convert to fraction form
    8,361.05/11,538.38 = 4,584.56/x
  3. Step 3: Cross multiply
    8,361.05x = 11,538.38 × 4,584.56
  4. Step 4: Simplify right side
    8,361.05x = 52,898,435.72
  5. Step 5: Solve for x
    x = 52,898,435.72/8,361.05
  6. Step 6: Final answer
    x = 6,326.77

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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.