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Finding the Fourth Proportional to 61,415.27, 92,121.87 and 27,662.51

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Solution

The fourth proportional to 61,415.27, 92,121.87 and 27,662.51 is: 41,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,415.27 : 92,121.87 = 27,662.51 : x
  2. Step 2: Convert to fraction form
    61,415.27/92,121.87 = 27,662.51/x
  3. Step 3: Cross multiply
    61,415.27x = 92,121.87 × 27,662.51
  4. Step 4: Simplify right side
    61,415.27x = 2,548,322,484.13
  5. Step 5: Solve for x
    x = 2,548,322,484.13/61,415.27
  6. Step 6: Final answer
    x = 41,493.31

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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.