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Finding the Fourth Proportional to 30,799.22, 46,198.89 and 7,425.68

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Solution

The fourth proportional to 30,799.22, 46,198.89 and 7,425.68 is: 11,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.22 : 46,198.89 = 7,425.68 : x
  2. Step 2: Convert to fraction form
    30,799.22/46,198.89 = 7,425.68/x
  3. Step 3: Cross multiply
    30,799.22x = 46,198.89 × 7,425.68
  4. Step 4: Simplify right side
    30,799.22x = 343,057,942.50
  5. Step 5: Solve for x
    x = 343,057,942.50/30,799.22
  6. Step 6: Final answer
    x = 11,138.53

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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.