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Finding the Fourth Proportional to 9,169.84, 13,756.83 and 3,326.44

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Solution

The fourth proportional to 9,169.84, 13,756.83 and 3,326.44 is: 4,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.84 : 13,756.83 = 3,326.44 : x
  2. Step 2: Convert to fraction form
    9,169.84/13,756.83 = 3,326.44/x
  3. Step 3: Cross multiply
    9,169.84x = 13,756.83 × 3,326.44
  4. Step 4: Simplify right side
    9,169.84x = 45,761,269.59
  5. Step 5: Solve for x
    x = 45,761,269.59/9,169.84
  6. Step 6: Final answer
    x = 4,990.41

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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.