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Finding the Fourth Proportional to 3,175.47, 4,343.27 and 3,124.44

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Solution

The fourth proportional to 3,175.47, 4,343.27 and 3,124.44 is: 4,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.47 : 4,343.27 = 3,124.44 : x
  2. Step 2: Convert to fraction form
    3,175.47/4,343.27 = 3,124.44/x
  3. Step 3: Cross multiply
    3,175.47x = 4,343.27 × 3,124.44
  4. Step 4: Simplify right side
    3,175.47x = 13,570,270.90
  5. Step 5: Solve for x
    x = 13,570,270.90/3,175.47
  6. Step 6: Final answer
    x = 4,273.47

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.