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Finding the Fourth Proportional to 18,794, 28,195.32 and 6,482

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Solution

The fourth proportional to 18,794, 28,195.32 and 6,482 is: 9,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794 : 28,195.32 = 6,482 : x
  2. Step 2: Convert to fraction form
    18,794/28,195.32 = 6,482/x
  3. Step 3: Cross multiply
    18,794x = 28,195.32 × 6,482
  4. Step 4: Simplify right side
    18,794x = 182,762,064.24
  5. Step 5: Solve for x
    x = 182,762,064.24/18,794
  6. Step 6: Final answer
    x = 9,724.49

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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.