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Finding the Fourth Proportional to 69,559.50, 104,268.80 and 27,469.28

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Solution

The fourth proportional to 69,559.50, 104,268.80 and 27,469.28 is: 41,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,559.50 : 104,268.80 = 27,469.28 : x
  2. Step 2: Convert to fraction form
    69,559.50/104,268.80 = 27,469.28/x
  3. Step 3: Cross multiply
    69,559.50x = 104,268.80 × 27,469.28
  4. Step 4: Simplify right side
    69,559.50x = 2,864,188,862.46
  5. Step 5: Solve for x
    x = 2,864,188,862.46/69,559.50
  6. Step 6: Final answer
    x = 41,176.10

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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.