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Finding the Fourth Proportional to 8,481.45, 11,692.11 and 5,955.87

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Solution

The fourth proportional to 8,481.45, 11,692.11 and 5,955.87 is: 8,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.45 : 11,692.11 = 5,955.87 : x
  2. Step 2: Convert to fraction form
    8,481.45/11,692.11 = 5,955.87/x
  3. Step 3: Cross multiply
    8,481.45x = 11,692.11 × 5,955.87
  4. Step 4: Simplify right side
    8,481.45x = 69,636,687.19
  5. Step 5: Solve for x
    x = 69,636,687.19/8,481.45
  6. Step 6: Final answer
    x = 8,210.47

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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.