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Finding the Fourth Proportional to 61,287.36, 91,936.36 and 16,914.12

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Solution

The fourth proportional to 61,287.36, 91,936.36 and 16,914.12 is: 25,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,287.36 : 91,936.36 = 16,914.12 : x
  2. Step 2: Convert to fraction form
    61,287.36/91,936.36 = 16,914.12/x
  3. Step 3: Cross multiply
    61,287.36x = 91,936.36 × 16,914.12
  4. Step 4: Simplify right side
    61,287.36x = 1,555,022,625.40
  5. Step 5: Solve for x
    x = 1,555,022,625.40/61,287.36
  6. Step 6: Final answer
    x = 25,372.65

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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.