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Finding the Fourth Proportional to 27,924.78, 41,900.84 and 13,135.19

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Solution

The fourth proportional to 27,924.78, 41,900.84 and 13,135.19 is: 19,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.78 : 41,900.84 = 13,135.19 : x
  2. Step 2: Convert to fraction form
    27,924.78/41,900.84 = 13,135.19/x
  3. Step 3: Cross multiply
    27,924.78x = 41,900.84 × 13,135.19
  4. Step 4: Simplify right side
    27,924.78x = 550,375,219.38
  5. Step 5: Solve for x
    x = 550,375,219.38/27,924.78
  6. Step 6: Final answer
    x = 19,709.21

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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.