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Finding the Fourth Proportional to 27,925.30, 41,894.82 and 13,891.96

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Solution

The fourth proportional to 27,925.30, 41,894.82 and 13,891.96 is: 20,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.30 : 41,894.82 = 13,891.96 : x
  2. Step 2: Convert to fraction form
    27,925.30/41,894.82 = 13,891.96/x
  3. Step 3: Cross multiply
    27,925.30x = 41,894.82 × 13,891.96
  4. Step 4: Simplify right side
    27,925.30x = 582,001,163.65
  5. Step 5: Solve for x
    x = 582,001,163.65/27,925.30
  6. Step 6: Final answer
    x = 20,841.36

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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.