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Finding the Fourth Proportional to 16,998.52, 25,500.38 and 8,674

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Solution

The fourth proportional to 16,998.52, 25,500.38 and 8,674 is: 13,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.52 : 25,500.38 = 8,674 : x
  2. Step 2: Convert to fraction form
    16,998.52/25,500.38 = 8,674/x
  3. Step 3: Cross multiply
    16,998.52x = 25,500.38 × 8,674
  4. Step 4: Simplify right side
    16,998.52x = 221,190,296.12
  5. Step 5: Solve for x
    x = 221,190,296.12/16,998.52
  6. Step 6: Final answer
    x = 13,012.33

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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.