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Finding the Fourth Proportional to 17,084.15, 25,631.03 and 8,319.35

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Solution

The fourth proportional to 17,084.15, 25,631.03 and 8,319.35 is: 12,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,084.15 : 25,631.03 = 8,319.35 : x
  2. Step 2: Convert to fraction form
    17,084.15/25,631.03 = 8,319.35/x
  3. Step 3: Cross multiply
    17,084.15x = 25,631.03 × 8,319.35
  4. Step 4: Simplify right side
    17,084.15x = 213,233,467.83
  5. Step 5: Solve for x
    x = 213,233,467.83/17,084.15
  6. Step 6: Final answer
    x = 12,481.36

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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.