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Finding the Fourth Proportional to 16,958.91, 25,449.66 and 6,971.85

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Solution

The fourth proportional to 16,958.91, 25,449.66 and 6,971.85 is: 10,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.91 : 25,449.66 = 6,971.85 : x
  2. Step 2: Convert to fraction form
    16,958.91/25,449.66 = 6,971.85/x
  3. Step 3: Cross multiply
    16,958.91x = 25,449.66 × 6,971.85
  4. Step 4: Simplify right side
    16,958.91x = 177,431,212.07
  5. Step 5: Solve for x
    x = 177,431,212.07/16,958.91
  6. Step 6: Final answer
    x = 10,462.42

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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.