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Finding the Fourth Proportional to 22,169.70, 33,231.18 and 7,374.66

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Solution

The fourth proportional to 22,169.70, 33,231.18 and 7,374.66 is: 11,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.70 : 33,231.18 = 7,374.66 : x
  2. Step 2: Convert to fraction form
    22,169.70/33,231.18 = 7,374.66/x
  3. Step 3: Cross multiply
    22,169.70x = 33,231.18 × 7,374.66
  4. Step 4: Simplify right side
    22,169.70x = 245,068,653.90
  5. Step 5: Solve for x
    x = 245,068,653.90/22,169.70
  6. Step 6: Final answer
    x = 11,054.22

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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.