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Finding the Fourth Proportional to 6,763.23, 9,333.23 and 3,778.92

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Solution

The fourth proportional to 6,763.23, 9,333.23 and 3,778.92 is: 5,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.23 : 9,333.23 = 3,778.92 : x
  2. Step 2: Convert to fraction form
    6,763.23/9,333.23 = 3,778.92/x
  3. Step 3: Cross multiply
    6,763.23x = 9,333.23 × 3,778.92
  4. Step 4: Simplify right side
    6,763.23x = 35,269,510.62
  5. Step 5: Solve for x
    x = 35,269,510.62/6,763.23
  6. Step 6: Final answer
    x = 5,214.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.