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Finding the Fourth Proportional to 1,448.52, 1,998.92 and 827.52

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Solution

The fourth proportional to 1,448.52, 1,998.92 and 827.52 is: 1,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.52 : 1,998.92 = 827.52 : x
  2. Step 2: Convert to fraction form
    1,448.52/1,998.92 = 827.52/x
  3. Step 3: Cross multiply
    1,448.52x = 1,998.92 × 827.52
  4. Step 4: Simplify right side
    1,448.52x = 1,654,146.28
  5. Step 5: Solve for x
    x = 1,654,146.28/1,448.52
  6. Step 6: Final answer
    x = 1,141.96

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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.