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Finding the Fourth Proportional to 16,843.75, 25,212.06 and 9,425.57

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Solution

The fourth proportional to 16,843.75, 25,212.06 and 9,425.57 is: 14,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,843.75 : 25,212.06 = 9,425.57 : x
  2. Step 2: Convert to fraction form
    16,843.75/25,212.06 = 9,425.57/x
  3. Step 3: Cross multiply
    16,843.75x = 25,212.06 × 9,425.57
  4. Step 4: Simplify right side
    16,843.75x = 237,637,910.31
  5. Step 5: Solve for x
    x = 237,637,910.31/16,843.75
  6. Step 6: Final answer
    x = 14,108.38

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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.