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Finding the Fourth Proportional to 23,754.80, 35,640.79 and 11,115.70

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Solution

The fourth proportional to 23,754.80, 35,640.79 and 11,115.70 is: 16,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,754.80 : 35,640.79 = 11,115.70 : x
  2. Step 2: Convert to fraction form
    23,754.80/35,640.79 = 11,115.70/x
  3. Step 3: Cross multiply
    23,754.80x = 35,640.79 × 11,115.70
  4. Step 4: Simplify right side
    23,754.80x = 396,172,212.51
  5. Step 5: Solve for x
    x = 396,172,212.51/23,754.80
  6. Step 6: Final answer
    x = 16,677.56

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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.