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Finding the Fourth Proportional to 1,644, 2,271.96 and 1,469.04

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Solution

The fourth proportional to 1,644, 2,271.96 and 1,469.04 is: 2,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644 : 2,271.96 = 1,469.04 : x
  2. Step 2: Convert to fraction form
    1,644/2,271.96 = 1,469.04/x
  3. Step 3: Cross multiply
    1,644x = 2,271.96 × 1,469.04
  4. Step 4: Simplify right side
    1,644x = 3,337,600.12
  5. Step 5: Solve for x
    x = 3,337,600.12/1,644
  6. Step 6: Final answer
    x = 2,030.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.