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Finding the Fourth Proportional to 17,058.21, 25,611.23 and 8,744.19

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Solution

The fourth proportional to 17,058.21, 25,611.23 and 8,744.19 is: 13,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,058.21 : 25,611.23 = 8,744.19 : x
  2. Step 2: Convert to fraction form
    17,058.21/25,611.23 = 8,744.19/x
  3. Step 3: Cross multiply
    17,058.21x = 25,611.23 × 8,744.19
  4. Step 4: Simplify right side
    17,058.21x = 223,949,461.25
  5. Step 5: Solve for x
    x = 223,949,461.25/17,058.21
  6. Step 6: Final answer
    x = 13,128.54

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Why These Related Problems?

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