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Finding the Fourth Proportional to 18,692.66, 28,044.03 and 6,214.70

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Solution

The fourth proportional to 18,692.66, 28,044.03 and 6,214.70 is: 9,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.66 : 28,044.03 = 6,214.70 : x
  2. Step 2: Convert to fraction form
    18,692.66/28,044.03 = 6,214.70/x
  3. Step 3: Cross multiply
    18,692.66x = 28,044.03 × 6,214.70
  4. Step 4: Simplify right side
    18,692.66x = 174,285,233.24
  5. Step 5: Solve for x
    x = 174,285,233.24/18,692.66
  6. Step 6: Final answer
    x = 9,323.73

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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.