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Finding the Fourth Proportional to 16,698.60, 25,058.07 and 8,694.18

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Solution

The fourth proportional to 16,698.60, 25,058.07 and 8,694.18 is: 13,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698.60 : 25,058.07 = 8,694.18 : x
  2. Step 2: Convert to fraction form
    16,698.60/25,058.07 = 8,694.18/x
  3. Step 3: Cross multiply
    16,698.60x = 25,058.07 × 8,694.18
  4. Step 4: Simplify right side
    16,698.60x = 217,859,371.03
  5. Step 5: Solve for x
    x = 217,859,371.03/16,698.60
  6. Step 6: Final answer
    x = 13,046.57

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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.