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Finding the Fourth Proportional to 9,169.70, 13,754.54 and 3,326.31

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Solution

The fourth proportional to 9,169.70, 13,754.54 and 3,326.31 is: 4,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.70 : 13,754.54 = 3,326.31 : x
  2. Step 2: Convert to fraction form
    9,169.70/13,754.54 = 3,326.31/x
  3. Step 3: Cross multiply
    9,169.70x = 13,754.54 × 3,326.31
  4. Step 4: Simplify right side
    9,169.70x = 45,751,847.32
  5. Step 5: Solve for x
    x = 45,751,847.32/9,169.70
  6. Step 6: Final answer
    x = 4,989.46

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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.