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Finding the Fourth Proportional to 7,208.79, 10,813.20 and 5,567.73

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Solution

The fourth proportional to 7,208.79, 10,813.20 and 5,567.73 is: 8,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.79 : 10,813.20 = 5,567.73 : x
  2. Step 2: Convert to fraction form
    7,208.79/10,813.20 = 5,567.73/x
  3. Step 3: Cross multiply
    7,208.79x = 10,813.20 × 5,567.73
  4. Step 4: Simplify right side
    7,208.79x = 60,204,978.04
  5. Step 5: Solve for x
    x = 60,204,978.04/7,208.79
  6. Step 6: Final answer
    x = 8,351.61

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Similar ratio
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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.