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Finding the Fourth Proportional to 2,002.97, 3,004.65 and 704.13

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Solution

The fourth proportional to 2,002.97, 3,004.65 and 704.13 is: 1,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.97 : 3,004.65 = 704.13 : x
  2. Step 2: Convert to fraction form
    2,002.97/3,004.65 = 704.13/x
  3. Step 3: Cross multiply
    2,002.97x = 3,004.65 × 704.13
  4. Step 4: Simplify right side
    2,002.97x = 2,115,664.20
  5. Step 5: Solve for x
    x = 2,115,664.20/2,002.97
  6. Step 6: Final answer
    x = 1,056.27

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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.