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Finding the Fourth Proportional to 19,351.88, 26,706 and 10,968.38

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Solution

The fourth proportional to 19,351.88, 26,706 and 10,968.38 is: 15,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.88 : 26,706 = 10,968.38 : x
  2. Step 2: Convert to fraction form
    19,351.88/26,706 = 10,968.38/x
  3. Step 3: Cross multiply
    19,351.88x = 26,706 × 10,968.38
  4. Step 4: Simplify right side
    19,351.88x = 292,921,422.75
  5. Step 5: Solve for x
    x = 292,921,422.75/19,351.88
  6. Step 6: Final answer
    x = 15,136.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.