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Finding the Fourth Proportional to 6,692.80, 10,035.60 and 2,074.72

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Solution

The fourth proportional to 6,692.80, 10,035.60 and 2,074.72 is: 3,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.80 : 10,035.60 = 2,074.72 : x
  2. Step 2: Convert to fraction form
    6,692.80/10,035.60 = 2,074.72/x
  3. Step 3: Cross multiply
    6,692.80x = 10,035.60 × 2,074.72
  4. Step 4: Simplify right side
    6,692.80x = 20,821,060.03
  5. Step 5: Solve for x
    x = 20,821,060.03/6,692.80
  6. Step 6: Final answer
    x = 3,110.96

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1.5x scale

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.