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Finding the Fourth Proportional to 27,556.88, 38,028.84 and 14,981.84

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Solution

The fourth proportional to 27,556.88, 38,028.84 and 14,981.84 is: 20,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.88 : 38,028.84 = 14,981.84 : x
  2. Step 2: Convert to fraction form
    27,556.88/38,028.84 = 14,981.84/x
  3. Step 3: Cross multiply
    27,556.88x = 38,028.84 × 14,981.84
  4. Step 4: Simplify right side
    27,556.88x = 569,741,996.27
  5. Step 5: Solve for x
    x = 569,741,996.27/27,556.88
  6. Step 6: Final answer
    x = 20,675.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.