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Finding the Fourth Proportional to 22,976.43, 34,473.21 and 15,649.98

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Solution

The fourth proportional to 22,976.43, 34,473.21 and 15,649.98 is: 23,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,976.43 : 34,473.21 = 15,649.98 : x
  2. Step 2: Convert to fraction form
    22,976.43/34,473.21 = 15,649.98/x
  3. Step 3: Cross multiply
    22,976.43x = 34,473.21 × 15,649.98
  4. Step 4: Simplify right side
    22,976.43x = 539,505,047.04
  5. Step 5: Solve for x
    x = 539,505,047.04/22,976.43
  6. Step 6: Final answer
    x = 23,480.80

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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.