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Finding the Fourth Proportional to 9,169.88, 13,754.84 and 3,326.49

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Solution

The fourth proportional to 9,169.88, 13,754.84 and 3,326.49 is: 4,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.88 : 13,754.84 = 3,326.49 : x
  2. Step 2: Convert to fraction form
    9,169.88/13,754.84 = 3,326.49/x
  3. Step 3: Cross multiply
    9,169.88x = 13,754.84 × 3,326.49
  4. Step 4: Simplify right side
    9,169.88x = 45,755,321.08
  5. Step 5: Solve for x
    x = 45,755,321.08/9,169.88
  6. Step 6: Final answer
    x = 4,989.74

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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.