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Finding the Fourth Proportional to 1,692.84, 2,336.58 and 994.44

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Solution

The fourth proportional to 1,692.84, 2,336.58 and 994.44 is: 1,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.84 : 2,336.58 = 994.44 : x
  2. Step 2: Convert to fraction form
    1,692.84/2,336.58 = 994.44/x
  3. Step 3: Cross multiply
    1,692.84x = 2,336.58 × 994.44
  4. Step 4: Simplify right side
    1,692.84x = 2,323,588.62
  5. Step 5: Solve for x
    x = 2,323,588.62/1,692.84
  6. Step 6: Final answer
    x = 1,372.60

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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.