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Finding the Fourth Proportional to 69,892.47, 104,813.19 and 25,506.09

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Solution

The fourth proportional to 69,892.47, 104,813.19 and 25,506.09 is: 38,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,892.47 : 104,813.19 = 25,506.09 : x
  2. Step 2: Convert to fraction form
    69,892.47/104,813.19 = 25,506.09/x
  3. Step 3: Cross multiply
    69,892.47x = 104,813.19 × 25,506.09
  4. Step 4: Simplify right side
    69,892.47x = 2,673,374,657.33
  5. Step 5: Solve for x
    x = 2,673,374,657.33/69,892.47
  6. Step 6: Final answer
    x = 38,249.82

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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.