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Finding the Fourth Proportional to 20,054.57, 27,675.95 and 11,556.03

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Solution

The fourth proportional to 20,054.57, 27,675.95 and 11,556.03 is: 15,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.57 : 27,675.95 = 11,556.03 : x
  2. Step 2: Convert to fraction form
    20,054.57/27,675.95 = 11,556.03/x
  3. Step 3: Cross multiply
    20,054.57x = 27,675.95 × 11,556.03
  4. Step 4: Simplify right side
    20,054.57x = 319,824,050.70
  5. Step 5: Solve for x
    x = 319,824,050.70/20,054.57
  6. Step 6: Final answer
    x = 15,947.69

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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.