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Finding the Fourth Proportional to 16,836.74, 25,249.64 and 7,950.69

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Solution

The fourth proportional to 16,836.74, 25,249.64 and 7,950.69 is: 11,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836.74 : 25,249.64 = 7,950.69 : x
  2. Step 2: Convert to fraction form
    16,836.74/25,249.64 = 7,950.69/x
  3. Step 3: Cross multiply
    16,836.74x = 25,249.64 × 7,950.69
  4. Step 4: Simplify right side
    16,836.74x = 200,752,020.50
  5. Step 5: Solve for x
    x = 200,752,020.50/16,836.74
  6. Step 6: Final answer
    x = 11,923.45

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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.