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Finding the Fourth Proportional to 2,001.35, 3,002.43 and 703.73

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Solution

The fourth proportional to 2,001.35, 3,002.43 and 703.73 is: 1,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.35 : 3,002.43 = 703.73 : x
  2. Step 2: Convert to fraction form
    2,001.35/3,002.43 = 703.73/x
  3. Step 3: Cross multiply
    2,001.35x = 3,002.43 × 703.73
  4. Step 4: Simplify right side
    2,001.35x = 2,112,910.21
  5. Step 5: Solve for x
    x = 2,112,910.21/2,001.35
  6. Step 6: Final answer
    x = 1,055.74

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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.