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Finding the Fourth Proportional to 57,858.44, 79,857.50 and 35,192.61

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Solution

The fourth proportional to 57,858.44, 79,857.50 and 35,192.61 is: 48,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,858.44 : 79,857.50 = 35,192.61 : x
  2. Step 2: Convert to fraction form
    57,858.44/79,857.50 = 35,192.61/x
  3. Step 3: Cross multiply
    57,858.44x = 79,857.50 × 35,192.61
  4. Step 4: Simplify right side
    57,858.44x = 2,810,393,677.11
  5. Step 5: Solve for x
    x = 2,810,393,677.11/57,858.44
  6. Step 6: Final answer
    x = 48,573.62

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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.