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Finding the Fourth Proportional to 16,960, 25,440.05 and 5,273.23

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Solution

The fourth proportional to 16,960, 25,440.05 and 5,273.23 is: 7,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960 : 25,440.05 = 5,273.23 : x
  2. Step 2: Convert to fraction form
    16,960/25,440.05 = 5,273.23/x
  3. Step 3: Cross multiply
    16,960x = 25,440.05 × 5,273.23
  4. Step 4: Simplify right side
    16,960x = 134,151,234.86
  5. Step 5: Solve for x
    x = 134,151,234.86/16,960
  6. Step 6: Final answer
    x = 7,909.86

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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.