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Finding the Fourth Proportional to 61,369.76, 84,692.40 and 34,517

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Solution

The fourth proportional to 61,369.76, 84,692.40 and 34,517 is: 47,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,369.76 : 84,692.40 = 34,517 : x
  2. Step 2: Convert to fraction form
    61,369.76/84,692.40 = 34,517/x
  3. Step 3: Cross multiply
    61,369.76x = 84,692.40 × 34,517
  4. Step 4: Simplify right side
    61,369.76x = 2,923,327,570.80
  5. Step 5: Solve for x
    x = 2,923,327,570.80/61,369.76
  6. Step 6: Final answer
    x = 47,634.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.