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Finding the Fourth Proportional to 6,424.41, 8,868.57 and 3,771.98

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Solution

The fourth proportional to 6,424.41, 8,868.57 and 3,771.98 is: 5,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.41 : 8,868.57 = 3,771.98 : x
  2. Step 2: Convert to fraction form
    6,424.41/8,868.57 = 3,771.98/x
  3. Step 3: Cross multiply
    6,424.41x = 8,868.57 × 3,771.98
  4. Step 4: Simplify right side
    6,424.41x = 33,452,114.54
  5. Step 5: Solve for x
    x = 33,452,114.54/6,424.41
  6. Step 6: Final answer
    x = 5,207.03

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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.