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Finding the Fourth Proportional to 3,633.73, 5,450.90 and 1,135.49

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Solution

The fourth proportional to 3,633.73, 5,450.90 and 1,135.49 is: 1,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.73 : 5,450.90 = 1,135.49 : x
  2. Step 2: Convert to fraction form
    3,633.73/5,450.90 = 1,135.49/x
  3. Step 3: Cross multiply
    3,633.73x = 5,450.90 × 1,135.49
  4. Step 4: Simplify right side
    3,633.73x = 6,189,409.51
  5. Step 5: Solve for x
    x = 6,189,409.51/3,633.73
  6. Step 6: Final answer
    x = 1,703.32

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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.