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Finding the Fourth Proportional to 27,959.39, 41,930.18 and 9,235.92

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Solution

The fourth proportional to 27,959.39, 41,930.18 and 9,235.92 is: 13,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.39 : 41,930.18 = 9,235.92 : x
  2. Step 2: Convert to fraction form
    27,959.39/41,930.18 = 9,235.92/x
  3. Step 3: Cross multiply
    27,959.39x = 41,930.18 × 9,235.92
  4. Step 4: Simplify right side
    27,959.39x = 387,263,788.07
  5. Step 5: Solve for x
    x = 387,263,788.07/27,959.39
  6. Step 6: Final answer
    x = 13,850.94

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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.