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Finding the Fourth Proportional to 6,295.98, 8,692.53 and 3,908.49

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Solution

The fourth proportional to 6,295.98, 8,692.53 and 3,908.49 is: 5,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.98 : 8,692.53 = 3,908.49 : x
  2. Step 2: Convert to fraction form
    6,295.98/8,692.53 = 3,908.49/x
  3. Step 3: Cross multiply
    6,295.98x = 8,692.53 × 3,908.49
  4. Step 4: Simplify right side
    6,295.98x = 33,974,666.58
  5. Step 5: Solve for x
    x = 33,974,666.58/6,295.98
  6. Step 6: Final answer
    x = 5,396.25

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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.