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Finding the Fourth Proportional to 69,969.74, 104,971.01 and 27,852.39

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Solution

The fourth proportional to 69,969.74, 104,971.01 and 27,852.39 is: 41,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,969.74 : 104,971.01 = 27,852.39 : x
  2. Step 2: Convert to fraction form
    69,969.74/104,971.01 = 27,852.39/x
  3. Step 3: Cross multiply
    69,969.74x = 104,971.01 × 27,852.39
  4. Step 4: Simplify right side
    69,969.74x = 2,923,693,369.95
  5. Step 5: Solve for x
    x = 2,923,693,369.95/69,969.74
  6. Step 6: Final answer
    x = 41,785.11

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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.