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Finding the Fourth Proportional to 17,293.38, 25,917.51 and 7,930.02

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Solution

The fourth proportional to 17,293.38, 25,917.51 and 7,930.02 is: 11,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,293.38 : 25,917.51 = 7,930.02 : x
  2. Step 2: Convert to fraction form
    17,293.38/25,917.51 = 7,930.02/x
  3. Step 3: Cross multiply
    17,293.38x = 25,917.51 × 7,930.02
  4. Step 4: Simplify right side
    17,293.38x = 205,526,372.65
  5. Step 5: Solve for x
    x = 205,526,372.65/17,293.38
  6. Step 6: Final answer
    x = 11,884.68

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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.