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Finding the Fourth Proportional to 41,127.78, 61,692.03 and 9,963.06

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Solution

The fourth proportional to 41,127.78, 61,692.03 and 9,963.06 is: 14,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,127.78 : 61,692.03 = 9,963.06 : x
  2. Step 2: Convert to fraction form
    41,127.78/61,692.03 = 9,963.06/x
  3. Step 3: Cross multiply
    41,127.78x = 61,692.03 × 9,963.06
  4. Step 4: Simplify right side
    41,127.78x = 614,641,396.41
  5. Step 5: Solve for x
    x = 614,641,396.41/41,127.78
  6. Step 6: Final answer
    x = 14,944.68

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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.