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Finding the Fourth Proportional to 8,506.14, 11,735.46 and 5,361.72

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Solution

The fourth proportional to 8,506.14, 11,735.46 and 5,361.72 is: 7,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.14 : 11,735.46 = 5,361.72 : x
  2. Step 2: Convert to fraction form
    8,506.14/11,735.46 = 5,361.72/x
  3. Step 3: Cross multiply
    8,506.14x = 11,735.46 × 5,361.72
  4. Step 4: Simplify right side
    8,506.14x = 62,922,250.59
  5. Step 5: Solve for x
    x = 62,922,250.59/8,506.14
  6. Step 6: Final answer
    x = 7,397.27

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