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Finding the Fourth Proportional to 4,876.67, 7,308.16 and 2,793.56

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Solution

The fourth proportional to 4,876.67, 7,308.16 and 2,793.56 is: 4,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.67 : 7,308.16 = 2,793.56 : x
  2. Step 2: Convert to fraction form
    4,876.67/7,308.16 = 2,793.56/x
  3. Step 3: Cross multiply
    4,876.67x = 7,308.16 × 2,793.56
  4. Step 4: Simplify right side
    4,876.67x = 20,415,739.92
  5. Step 5: Solve for x
    x = 20,415,739.92/4,876.67
  6. Step 6: Final answer
    x = 4,186.41

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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.