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Finding the Fourth Proportional to 1,469.94, 2,028.70 and 848.94

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Solution

The fourth proportional to 1,469.94, 2,028.70 and 848.94 is: 1,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.94 : 2,028.70 = 848.94 : x
  2. Step 2: Convert to fraction form
    1,469.94/2,028.70 = 848.94/x
  3. Step 3: Cross multiply
    1,469.94x = 2,028.70 × 848.94
  4. Step 4: Simplify right side
    1,469.94x = 1,722,244.58
  5. Step 5: Solve for x
    x = 1,722,244.58/1,469.94
  6. Step 6: Final answer
    x = 1,171.64

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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.