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Finding the Fourth Proportional to 8,692.48, 11,995.41 and 4,713.49

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Solution

The fourth proportional to 8,692.48, 11,995.41 and 4,713.49 is: 6,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.48 : 11,995.41 = 4,713.49 : x
  2. Step 2: Convert to fraction form
    8,692.48/11,995.41 = 4,713.49/x
  3. Step 3: Cross multiply
    8,692.48x = 11,995.41 × 4,713.49
  4. Step 4: Simplify right side
    8,692.48x = 56,540,245.08
  5. Step 5: Solve for x
    x = 56,540,245.08/8,692.48
  6. Step 6: Final answer
    x = 6,504.50

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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.