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Finding the Fourth Proportional to 6,778.98, 10,101.94 and 6,556.03

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Solution

The fourth proportional to 6,778.98, 10,101.94 and 6,556.03 is: 9,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.98 : 10,101.94 = 6,556.03 : x
  2. Step 2: Convert to fraction form
    6,778.98/10,101.94 = 6,556.03/x
  3. Step 3: Cross multiply
    6,778.98x = 10,101.94 × 6,556.03
  4. Step 4: Simplify right side
    6,778.98x = 66,228,580.05
  5. Step 5: Solve for x
    x = 66,228,580.05/6,778.98
  6. Step 6: Final answer
    x = 9,769.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.