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Finding the Fourth Proportional to 17,396.57, 26,096.26 and 4,916.69

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Solution

The fourth proportional to 17,396.57, 26,096.26 and 4,916.69 is: 7,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,396.57 : 26,096.26 = 4,916.69 : x
  2. Step 2: Convert to fraction form
    17,396.57/26,096.26 = 4,916.69/x
  3. Step 3: Cross multiply
    17,396.57x = 26,096.26 × 4,916.69
  4. Step 4: Simplify right side
    17,396.57x = 128,307,220.58
  5. Step 5: Solve for x
    x = 128,307,220.58/17,396.57
  6. Step 6: Final answer
    x = 7,375.43

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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.