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Finding the Fourth Proportional to 17,190.90, 25,785.99 and 9,297.18

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Solution

The fourth proportional to 17,190.90, 25,785.99 and 9,297.18 is: 13,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.90 : 25,785.99 = 9,297.18 : x
  2. Step 2: Convert to fraction form
    17,190.90/25,785.99 = 9,297.18/x
  3. Step 3: Cross multiply
    17,190.90x = 25,785.99 × 9,297.18
  4. Step 4: Simplify right side
    17,190.90x = 239,736,990.51
  5. Step 5: Solve for x
    x = 239,736,990.51/17,190.90
  6. Step 6: Final answer
    x = 13,945.58

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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.