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Finding the Fourth Proportional to 17,292.30, 25,934.36 and 7,926.48

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Solution

The fourth proportional to 17,292.30, 25,934.36 and 7,926.48 is: 11,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,292.30 : 25,934.36 = 7,926.48 : x
  2. Step 2: Convert to fraction form
    17,292.30/25,934.36 = 7,926.48/x
  3. Step 3: Cross multiply
    17,292.30x = 25,934.36 × 7,926.48
  4. Step 4: Simplify right side
    17,292.30x = 205,568,146.22
  5. Step 5: Solve for x
    x = 205,568,146.22/17,292.30
  6. Step 6: Final answer
    x = 11,887.84

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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.