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Finding the Fourth Proportional to 22,359.90, 33,543.90 and 11,238.60

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Solution

The fourth proportional to 22,359.90, 33,543.90 and 11,238.60 is: 16,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.90 : 33,543.90 = 11,238.60 : x
  2. Step 2: Convert to fraction form
    22,359.90/33,543.90 = 11,238.60/x
  3. Step 3: Cross multiply
    22,359.90x = 33,543.90 × 11,238.60
  4. Step 4: Simplify right side
    22,359.90x = 376,986,474.54
  5. Step 5: Solve for x
    x = 376,986,474.54/22,359.90
  6. Step 6: Final answer
    x = 16,859.94

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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.