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Finding the Fourth Proportional to 57,394.67, 79,203.35 and 33,193.81

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Solution

The fourth proportional to 57,394.67, 79,203.35 and 33,193.81 is: 45,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,394.67 : 79,203.35 = 33,193.81 : x
  2. Step 2: Convert to fraction form
    57,394.67/79,203.35 = 33,193.81/x
  3. Step 3: Cross multiply
    57,394.67x = 79,203.35 × 33,193.81
  4. Step 4: Simplify right side
    57,394.67x = 2,629,060,389.28
  5. Step 5: Solve for x
    x = 2,629,060,389.28/57,394.67
  6. Step 6: Final answer
    x = 45,806.70

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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.