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Finding the Fourth Proportional to 17,255.62, 23,818.62 and 11,957.41

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Solution

The fourth proportional to 17,255.62, 23,818.62 and 11,957.41 is: 16,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.62 : 23,818.62 = 11,957.41 : x
  2. Step 2: Convert to fraction form
    17,255.62/23,818.62 = 11,957.41/x
  3. Step 3: Cross multiply
    17,255.62x = 23,818.62 × 11,957.41
  4. Step 4: Simplify right side
    17,255.62x = 284,809,004.97
  5. Step 5: Solve for x
    x = 284,809,004.97/17,255.62
  6. Step 6: Final answer
    x = 16,505.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.