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Finding the Fourth Proportional to 17,350.40, 26,025.60 and 13,203.20

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Solution

The fourth proportional to 17,350.40, 26,025.60 and 13,203.20 is: 19,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,350.40 : 26,025.60 = 13,203.20 : x
  2. Step 2: Convert to fraction form
    17,350.40/26,025.60 = 13,203.20/x
  3. Step 3: Cross multiply
    17,350.40x = 26,025.60 × 13,203.20
  4. Step 4: Simplify right side
    17,350.40x = 343,621,201.92
  5. Step 5: Solve for x
    x = 343,621,201.92/17,350.40
  6. Step 6: Final answer
    x = 19,804.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.