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Finding the Fourth Proportional to 61,310.67, 84,611.21 and 34,453.10

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Solution

The fourth proportional to 61,310.67, 84,611.21 and 34,453.10 is: 47,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,310.67 : 84,611.21 = 34,453.10 : x
  2. Step 2: Convert to fraction form
    61,310.67/84,611.21 = 34,453.10/x
  3. Step 3: Cross multiply
    61,310.67x = 84,611.21 × 34,453.10
  4. Step 4: Simplify right side
    61,310.67x = 2,915,117,883.93
  5. Step 5: Solve for x
    x = 2,915,117,883.93/61,310.67
  6. Step 6: Final answer
    x = 47,546.66

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Why These Related Problems?

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