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Finding the Fourth Proportional to 69,855.48, 104,783.22 and 17,265.96

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Solution

The fourth proportional to 69,855.48, 104,783.22 and 17,265.96 is: 25,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,855.48 : 104,783.22 = 17,265.96 : x
  2. Step 2: Convert to fraction form
    69,855.48/104,783.22 = 17,265.96/x
  3. Step 3: Cross multiply
    69,855.48x = 104,783.22 × 17,265.96
  4. Step 4: Simplify right side
    69,855.48x = 1,809,182,885.19
  5. Step 5: Solve for x
    x = 1,809,182,885.19/69,855.48
  6. Step 6: Final answer
    x = 25,898.94

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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.