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Finding the Fourth Proportional to 8,235.88, 12,353.34 and 2,692.84

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Solution

The fourth proportional to 8,235.88, 12,353.34 and 2,692.84 is: 4,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.88 : 12,353.34 = 2,692.84 : x
  2. Step 2: Convert to fraction form
    8,235.88/12,353.34 = 2,692.84/x
  3. Step 3: Cross multiply
    8,235.88x = 12,353.34 × 2,692.84
  4. Step 4: Simplify right side
    8,235.88x = 33,265,568.09
  5. Step 5: Solve for x
    x = 33,265,568.09/8,235.88
  6. Step 6: Final answer
    x = 4,039.10

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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.