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Finding the Fourth Proportional to 17,228.31, 25,859.88 and 11,605.29

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Solution

The fourth proportional to 17,228.31, 25,859.88 and 11,605.29 is: 17,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.31 : 25,859.88 = 11,605.29 : x
  2. Step 2: Convert to fraction form
    17,228.31/25,859.88 = 11,605.29/x
  3. Step 3: Cross multiply
    17,228.31x = 25,859.88 × 11,605.29
  4. Step 4: Simplify right side
    17,228.31x = 300,111,406.77
  5. Step 5: Solve for x
    x = 300,111,406.77/17,228.31
  6. Step 6: Final answer
    x = 17,419.67

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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.