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Finding the Fourth Proportional to 1,602.85, 2,403.90 and 736.33

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Solution

The fourth proportional to 1,602.85, 2,403.90 and 736.33 is: 1,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.85 : 2,403.90 = 736.33 : x
  2. Step 2: Convert to fraction form
    1,602.85/2,403.90 = 736.33/x
  3. Step 3: Cross multiply
    1,602.85x = 2,403.90 × 736.33
  4. Step 4: Simplify right side
    1,602.85x = 1,770,063.69
  5. Step 5: Solve for x
    x = 1,770,063.69/1,602.85
  6. Step 6: Final answer
    x = 1,104.32

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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.