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Finding the Fourth Proportional to 6,673.77, 10,013.07 and 2,778.48

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Solution

The fourth proportional to 6,673.77, 10,013.07 and 2,778.48 is: 4,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.77 : 10,013.07 = 2,778.48 : x
  2. Step 2: Convert to fraction form
    6,673.77/10,013.07 = 2,778.48/x
  3. Step 3: Cross multiply
    6,673.77x = 10,013.07 × 2,778.48
  4. Step 4: Simplify right side
    6,673.77x = 27,821,114.73
  5. Step 5: Solve for x
    x = 27,821,114.73/6,673.77
  6. Step 6: Final answer
    x = 4,168.73

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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.