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Finding the Fourth Proportional to 2,677.09, 3,692.00 and 1,682.47

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Solution

The fourth proportional to 2,677.09, 3,692.00 and 1,682.47 is: 2,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.09 : 3,692.00 = 1,682.47 : x
  2. Step 2: Convert to fraction form
    2,677.09/3,692.00 = 1,682.47/x
  3. Step 3: Cross multiply
    2,677.09x = 3,692.00 × 1,682.47
  4. Step 4: Simplify right side
    2,677.09x = 6,211,652.37
  5. Step 5: Solve for x
    x = 6,211,652.37/2,677.09
  6. Step 6: Final answer
    x = 2,320.30

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1.5x scale

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.