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Finding the Fourth Proportional to 6,170.76, 8,515.80 and 3,376.26

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Solution

The fourth proportional to 6,170.76, 8,515.80 and 3,376.26 is: 4,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.76 : 8,515.80 = 3,376.26 : x
  2. Step 2: Convert to fraction form
    6,170.76/8,515.80 = 3,376.26/x
  3. Step 3: Cross multiply
    6,170.76x = 8,515.80 × 3,376.26
  4. Step 4: Simplify right side
    6,170.76x = 28,751,554.91
  5. Step 5: Solve for x
    x = 28,751,554.91/6,170.76
  6. Step 6: Final answer
    x = 4,659.32

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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.