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Finding the Fourth Proportional to 20,041, 27,654.30 and 11,087.26

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Solution

The fourth proportional to 20,041, 27,654.30 and 11,087.26 is: 15,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041 : 27,654.30 = 11,087.26 : x
  2. Step 2: Convert to fraction form
    20,041/27,654.30 = 11,087.26/x
  3. Step 3: Cross multiply
    20,041x = 27,654.30 × 11,087.26
  4. Step 4: Simplify right side
    20,041x = 306,610,414.22
  5. Step 5: Solve for x
    x = 306,610,414.22/20,041
  6. Step 6: Final answer
    x = 15,299.16

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1.5x scale

Why These Related Problems?

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