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Finding the Fourth Proportional to 6,855.22, 9,460.21 and 3,711.41

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Solution

The fourth proportional to 6,855.22, 9,460.21 and 3,711.41 is: 5,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.22 : 9,460.21 = 3,711.41 : x
  2. Step 2: Convert to fraction form
    6,855.22/9,460.21 = 3,711.41/x
  3. Step 3: Cross multiply
    6,855.22x = 9,460.21 × 3,711.41
  4. Step 4: Simplify right side
    6,855.22x = 35,110,652.14
  5. Step 5: Solve for x
    x = 35,110,652.14/6,855.22
  6. Step 6: Final answer
    x = 5,121.74

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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.