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Finding the Fourth Proportional to 1,634.05, 2,450.99 and 958.22

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Solution

The fourth proportional to 1,634.05, 2,450.99 and 958.22 is: 1,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.05 : 2,450.99 = 958.22 : x
  2. Step 2: Convert to fraction form
    1,634.05/2,450.99 = 958.22/x
  3. Step 3: Cross multiply
    1,634.05x = 2,450.99 × 958.22
  4. Step 4: Simplify right side
    1,634.05x = 2,348,584.70
  5. Step 5: Solve for x
    x = 2,348,584.70/1,634.05
  6. Step 6: Final answer
    x = 1,437.28

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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.