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Finding the Fourth Proportional to 17,121.54, 25,675.02 and 6,726

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Solution

The fourth proportional to 17,121.54, 25,675.02 and 6,726 is: 10,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.54 : 25,675.02 = 6,726 : x
  2. Step 2: Convert to fraction form
    17,121.54/25,675.02 = 6,726/x
  3. Step 3: Cross multiply
    17,121.54x = 25,675.02 × 6,726
  4. Step 4: Simplify right side
    17,121.54x = 172,690,184.52
  5. Step 5: Solve for x
    x = 172,690,184.52/17,121.54
  6. Step 6: Final answer
    x = 10,086.14

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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.