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Finding the Fourth Proportional to 20,066.70, 27,692.33 and 11,568.67

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Solution

The fourth proportional to 20,066.70, 27,692.33 and 11,568.67 is: 15,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.70 : 27,692.33 = 11,568.67 : x
  2. Step 2: Convert to fraction form
    20,066.70/27,692.33 = 11,568.67/x
  3. Step 3: Cross multiply
    20,066.70x = 27,692.33 × 11,568.67
  4. Step 4: Simplify right side
    20,066.70x = 320,363,456.22
  5. Step 5: Solve for x
    x = 320,363,456.22/20,066.70
  6. Step 6: Final answer
    x = 15,964.93

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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.