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Finding the Fourth Proportional to 61,306.74, 91,958.29 and 16,936.16

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Solution

The fourth proportional to 61,306.74, 91,958.29 and 16,936.16 is: 25,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,306.74 : 91,958.29 = 16,936.16 : x
  2. Step 2: Convert to fraction form
    61,306.74/91,958.29 = 16,936.16/x
  3. Step 3: Cross multiply
    61,306.74x = 91,958.29 × 16,936.16
  4. Step 4: Simplify right side
    61,306.74x = 1,557,419,810.63
  5. Step 5: Solve for x
    x = 1,557,419,810.63/61,306.74
  6. Step 6: Final answer
    x = 25,403.73

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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.