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Finding the Fourth Proportional to 61,231.68, 84,504.60 and 34,375.95

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Solution

The fourth proportional to 61,231.68, 84,504.60 and 34,375.95 is: 47,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,231.68 : 84,504.60 = 34,375.95 : x
  2. Step 2: Convert to fraction form
    61,231.68/84,504.60 = 34,375.95/x
  3. Step 3: Cross multiply
    61,231.68x = 84,504.60 × 34,375.95
  4. Step 4: Simplify right side
    61,231.68x = 2,904,925,904.37
  5. Step 5: Solve for x
    x = 2,904,925,904.37/61,231.68
  6. Step 6: Final answer
    x = 47,441.55

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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.