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Finding the Fourth Proportional to 6,824.65, 10,235.83 and 1,894.79

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Solution

The fourth proportional to 6,824.65, 10,235.83 and 1,894.79 is: 2,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.65 : 10,235.83 = 1,894.79 : x
  2. Step 2: Convert to fraction form
    6,824.65/10,235.83 = 1,894.79/x
  3. Step 3: Cross multiply
    6,824.65x = 10,235.83 × 1,894.79
  4. Step 4: Simplify right side
    6,824.65x = 19,394,748.33
  5. Step 5: Solve for x
    x = 19,394,748.33/6,824.65
  6. Step 6: Final answer
    x = 2,841.87

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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.