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Finding the Fourth Proportional to 3,450.67, 4,761.12 and 1,958.25

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Solution

The fourth proportional to 3,450.67, 4,761.12 and 1,958.25 is: 2,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.67 : 4,761.12 = 1,958.25 : x
  2. Step 2: Convert to fraction form
    3,450.67/4,761.12 = 1,958.25/x
  3. Step 3: Cross multiply
    3,450.67x = 4,761.12 × 1,958.25
  4. Step 4: Simplify right side
    3,450.67x = 9,323,453.45
  5. Step 5: Solve for x
    x = 9,323,453.45/3,450.67
  6. Step 6: Final answer
    x = 2,701.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.