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Finding the Fourth Proportional to 16,996.80, 25,470.30 and 15,241.80

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Solution

The fourth proportional to 16,996.80, 25,470.30 and 15,241.80 is: 22,840.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.80 : 25,470.30 = 15,241.80 : x
  2. Step 2: Convert to fraction form
    16,996.80/25,470.30 = 15,241.80/x
  3. Step 3: Cross multiply
    16,996.80x = 25,470.30 × 15,241.80
  4. Step 4: Simplify right side
    16,996.80x = 388,213,218.54
  5. Step 5: Solve for x
    x = 388,213,218.54/16,996.80
  6. Step 6: Final answer
    x = 22,840.37

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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.