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Finding the Fourth Proportional to 8,692.03, 13,016.44 and 7,954.66

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Solution

The fourth proportional to 8,692.03, 13,016.44 and 7,954.66 is: 11,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.03 : 13,016.44 = 7,954.66 : x
  2. Step 2: Convert to fraction form
    8,692.03/13,016.44 = 7,954.66/x
  3. Step 3: Cross multiply
    8,692.03x = 13,016.44 × 7,954.66
  4. Step 4: Simplify right side
    8,692.03x = 103,541,354.61
  5. Step 5: Solve for x
    x = 103,541,354.61/8,692.03
  6. Step 6: Final answer
    x = 11,912.22

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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.