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Finding the Fourth Proportional to 1,469.00, 2,202.68 and 1,296.07

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Solution

The fourth proportional to 1,469.00, 2,202.68 and 1,296.07 is: 1,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.00 : 2,202.68 = 1,296.07 : x
  2. Step 2: Convert to fraction form
    1,469.00/2,202.68 = 1,296.07/x
  3. Step 3: Cross multiply
    1,469.00x = 2,202.68 × 1,296.07
  4. Step 4: Simplify right side
    1,469.00x = 2,854,825.20
  5. Step 5: Solve for x
    x = 2,854,825.20/1,469.00
  6. Step 6: Final answer
    x = 1,943.38

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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.