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Finding the Fourth Proportional to 61,687.63, 92,512.32 and 22,239.64

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Solution

The fourth proportional to 61,687.63, 92,512.32 and 22,239.64 is: 33,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,687.63 : 92,512.32 = 22,239.64 : x
  2. Step 2: Convert to fraction form
    61,687.63/92,512.32 = 22,239.64/x
  3. Step 3: Cross multiply
    61,687.63x = 92,512.32 × 22,239.64
  4. Step 4: Simplify right side
    61,687.63x = 2,057,440,692.36
  5. Step 5: Solve for x
    x = 2,057,440,692.36/61,687.63
  6. Step 6: Final answer
    x = 33,352.57

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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.