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Finding the Fourth Proportional to 16,881.92, 25,324.90 and 7,027.86

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Solution

The fourth proportional to 16,881.92, 25,324.90 and 7,027.86 is: 10,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.92 : 25,324.90 = 7,027.86 : x
  2. Step 2: Convert to fraction form
    16,881.92/25,324.90 = 7,027.86/x
  3. Step 3: Cross multiply
    16,881.92x = 25,324.90 × 7,027.86
  4. Step 4: Simplify right side
    16,881.92x = 177,979,851.71
  5. Step 5: Solve for x
    x = 177,979,851.71/16,881.92
  6. Step 6: Final answer
    x = 10,542.63

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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.