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Finding the Fourth Proportional to 6,811.67, 10,208.61 and 5,246.61

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Solution

The fourth proportional to 6,811.67, 10,208.61 and 5,246.61 is: 7,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.67 : 10,208.61 = 5,246.61 : x
  2. Step 2: Convert to fraction form
    6,811.67/10,208.61 = 5,246.61/x
  3. Step 3: Cross multiply
    6,811.67x = 10,208.61 × 5,246.61
  4. Step 4: Simplify right side
    6,811.67x = 53,560,595.31
  5. Step 5: Solve for x
    x = 53,560,595.31/6,811.67
  6. Step 6: Final answer
    x = 7,863.07

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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.