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Finding the Fourth Proportional to 69,437.25, 104,160.75 and 27,884.25

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Solution

The fourth proportional to 69,437.25, 104,160.75 and 27,884.25 is: 41,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,437.25 : 104,160.75 = 27,884.25 : x
  2. Step 2: Convert to fraction form
    69,437.25/104,160.75 = 27,884.25/x
  3. Step 3: Cross multiply
    69,437.25x = 104,160.75 × 27,884.25
  4. Step 4: Simplify right side
    69,437.25x = 2,904,444,393.19
  5. Step 5: Solve for x
    x = 2,904,444,393.19/69,437.25
  6. Step 6: Final answer
    x = 41,828.33

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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.