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Finding the Fourth Proportional to 1,469.52, 2,028 and 848.48

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Solution

The fourth proportional to 1,469.52, 2,028 and 848.48 is: 1,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.52 : 2,028 = 848.48 : x
  2. Step 2: Convert to fraction form
    1,469.52/2,028 = 848.48/x
  3. Step 3: Cross multiply
    1,469.52x = 2,028 × 848.48
  4. Step 4: Simplify right side
    1,469.52x = 1,720,717.44
  5. Step 5: Solve for x
    x = 1,720,717.44/1,469.52
  6. Step 6: Final answer
    x = 1,170.94

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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.