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Finding the Fourth Proportional to 7,608.83, 11,394.99 and 4,481.42

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Solution

The fourth proportional to 7,608.83, 11,394.99 and 4,481.42 is: 6,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.83 : 11,394.99 = 4,481.42 : x
  2. Step 2: Convert to fraction form
    7,608.83/11,394.99 = 4,481.42/x
  3. Step 3: Cross multiply
    7,608.83x = 11,394.99 × 4,481.42
  4. Step 4: Simplify right side
    7,608.83x = 51,065,679.11
  5. Step 5: Solve for x
    x = 51,065,679.11/7,608.83
  6. Step 6: Final answer
    x = 6,711.38

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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.