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Finding the Fourth Proportional to 2,692.74, 3,717.18 and 2,093.88

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Solution

The fourth proportional to 2,692.74, 3,717.18 and 2,093.88 is: 2,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.74 : 3,717.18 = 2,093.88 : x
  2. Step 2: Convert to fraction form
    2,692.74/3,717.18 = 2,093.88/x
  3. Step 3: Cross multiply
    2,692.74x = 3,717.18 × 2,093.88
  4. Step 4: Simplify right side
    2,692.74x = 7,783,328.86
  5. Step 5: Solve for x
    x = 7,783,328.86/2,692.74
  6. Step 6: Final answer
    x = 2,890.49

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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.