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Finding the Fourth Proportional to 7,371.10, 10,172.30 and 4,014.10

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Solution

The fourth proportional to 7,371.10, 10,172.30 and 4,014.10 is: 5,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.10 : 10,172.30 = 4,014.10 : x
  2. Step 2: Convert to fraction form
    7,371.10/10,172.30 = 4,014.10/x
  3. Step 3: Cross multiply
    7,371.10x = 10,172.30 × 4,014.10
  4. Step 4: Simplify right side
    7,371.10x = 40,832,629.43
  5. Step 5: Solve for x
    x = 40,832,629.43/7,371.10
  6. Step 6: Final answer
    x = 5,539.56

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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.