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Finding the Fourth Proportional to 69,877.44, 104,813.46 and 17,285.76

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Solution

The fourth proportional to 69,877.44, 104,813.46 and 17,285.76 is: 25,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,877.44 : 104,813.46 = 17,285.76 : x
  2. Step 2: Convert to fraction form
    69,877.44/104,813.46 = 17,285.76/x
  3. Step 3: Cross multiply
    69,877.44x = 104,813.46 × 17,285.76
  4. Step 4: Simplify right side
    69,877.44x = 1,811,780,314.33
  5. Step 5: Solve for x
    x = 1,811,780,314.33/69,877.44
  6. Step 6: Final answer
    x = 25,927.97

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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.