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Finding the Fourth Proportional to 6,208.67, 8,568.84 and 3,851.57

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Solution

The fourth proportional to 6,208.67, 8,568.84 and 3,851.57 is: 5,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,208.67 : 8,568.84 = 3,851.57 : x
  2. Step 2: Convert to fraction form
    6,208.67/8,568.84 = 3,851.57/x
  3. Step 3: Cross multiply
    6,208.67x = 8,568.84 × 3,851.57
  4. Step 4: Simplify right side
    6,208.67x = 33,003,444.23
  5. Step 5: Solve for x
    x = 33,003,444.23/6,208.67
  6. Step 6: Final answer
    x = 5,315.71

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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.