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Finding the Fourth Proportional to 16,879.05, 25,324.92 and 7,017.48

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Solution

The fourth proportional to 16,879.05, 25,324.92 and 7,017.48 is: 10,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.05 : 25,324.92 = 7,017.48 : x
  2. Step 2: Convert to fraction form
    16,879.05/25,324.92 = 7,017.48/x
  3. Step 3: Cross multiply
    16,879.05x = 25,324.92 × 7,017.48
  4. Step 4: Simplify right side
    16,879.05x = 177,717,119.60
  5. Step 5: Solve for x
    x = 177,717,119.60/16,879.05
  6. Step 6: Final answer
    x = 10,528.86

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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.