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Finding the Fourth Proportional to 57,394.88, 79,192.77 and 34,729.46

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Solution

The fourth proportional to 57,394.88, 79,192.77 and 34,729.46 is: 47,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,394.88 : 79,192.77 = 34,729.46 : x
  2. Step 2: Convert to fraction form
    57,394.88/79,192.77 = 34,729.46/x
  3. Step 3: Cross multiply
    57,394.88x = 79,192.77 × 34,729.46
  4. Step 4: Simplify right side
    57,394.88x = 2,750,321,742.04
  5. Step 5: Solve for x
    x = 2,750,321,742.04/57,394.88
  6. Step 6: Final answer
    x = 47,919.29

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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.