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Finding the Fourth Proportional to 23,843.40, 35,721.48 and 11,169.88

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Solution

The fourth proportional to 23,843.40, 35,721.48 and 11,169.88 is: 16,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,843.40 : 35,721.48 = 11,169.88 : x
  2. Step 2: Convert to fraction form
    23,843.40/35,721.48 = 11,169.88/x
  3. Step 3: Cross multiply
    23,843.40x = 35,721.48 × 11,169.88
  4. Step 4: Simplify right side
    23,843.40x = 399,004,645.02
  5. Step 5: Solve for x
    x = 399,004,645.02/23,843.40
  6. Step 6: Final answer
    x = 16,734.39

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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.