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Finding the Fourth Proportional to 22,169.26, 33,228.78 and 7,374.70

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Solution

The fourth proportional to 22,169.26, 33,228.78 and 7,374.70 is: 11,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.26 : 33,228.78 = 7,374.70 : x
  2. Step 2: Convert to fraction form
    22,169.26/33,228.78 = 7,374.70/x
  3. Step 3: Cross multiply
    22,169.26x = 33,228.78 × 7,374.70
  4. Step 4: Simplify right side
    22,169.26x = 245,052,283.87
  5. Step 5: Solve for x
    x = 245,052,283.87/22,169.26
  6. Step 6: Final answer
    x = 11,053.70

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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.