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Finding the Fourth Proportional to 57,393.14, 79,179.77 and 33,189.63

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Solution

The fourth proportional to 57,393.14, 79,179.77 and 33,189.63 is: 45,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,393.14 : 79,179.77 = 33,189.63 : x
  2. Step 2: Convert to fraction form
    57,393.14/79,179.77 = 33,189.63/x
  3. Step 3: Cross multiply
    57,393.14x = 79,179.77 × 33,189.63
  4. Step 4: Simplify right side
    57,393.14x = 2,627,947,269.79
  5. Step 5: Solve for x
    x = 2,627,947,269.79/57,393.14
  6. Step 6: Final answer
    x = 45,788.53

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1.5x scale

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.