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Finding the Fourth Proportional to 13,025.45, 17,974.05 and 7,360.69

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Solution

The fourth proportional to 13,025.45, 17,974.05 and 7,360.69 is: 10,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.45 : 17,974.05 = 7,360.69 : x
  2. Step 2: Convert to fraction form
    13,025.45/17,974.05 = 7,360.69/x
  3. Step 3: Cross multiply
    13,025.45x = 17,974.05 × 7,360.69
  4. Step 4: Simplify right side
    13,025.45x = 132,301,410.09
  5. Step 5: Solve for x
    x = 132,301,410.09/13,025.45
  6. Step 6: Final answer
    x = 10,157.15

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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.