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Finding the Fourth Proportional to 1,692.83, 2,333.81 and 1,446.80

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Solution

The fourth proportional to 1,692.83, 2,333.81 and 1,446.80 is: 1,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.83 : 2,333.81 = 1,446.80 : x
  2. Step 2: Convert to fraction form
    1,692.83/2,333.81 = 1,446.80/x
  3. Step 3: Cross multiply
    1,692.83x = 2,333.81 × 1,446.80
  4. Step 4: Simplify right side
    1,692.83x = 3,376,548.26
  5. Step 5: Solve for x
    x = 3,376,548.26/1,692.83
  6. Step 6: Final answer
    x = 1,994.61

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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.