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Finding the Fourth Proportional to 69,745.09, 104,629.40 and 27,602.95

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Solution

The fourth proportional to 69,745.09, 104,629.40 and 27,602.95 is: 41,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,745.09 : 104,629.40 = 27,602.95 : x
  2. Step 2: Convert to fraction form
    69,745.09/104,629.40 = 27,602.95/x
  3. Step 3: Cross multiply
    69,745.09x = 104,629.40 × 27,602.95
  4. Step 4: Simplify right side
    69,745.09x = 2,888,080,096.73
  5. Step 5: Solve for x
    x = 2,888,080,096.73/69,745.09
  6. Step 6: Final answer
    x = 41,409.08

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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.