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Finding the Fourth Proportional to 57,655.88, 79,561.69 and 33,454.97

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Solution

The fourth proportional to 57,655.88, 79,561.69 and 33,454.97 is: 46,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,655.88 : 79,561.69 = 33,454.97 : x
  2. Step 2: Convert to fraction form
    57,655.88/79,561.69 = 33,454.97/x
  3. Step 3: Cross multiply
    57,655.88x = 79,561.69 × 33,454.97
  4. Step 4: Simplify right side
    57,655.88x = 2,661,734,067.37
  5. Step 5: Solve for x
    x = 2,661,734,067.37/57,655.88
  6. Step 6: Final answer
    x = 46,165.87

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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.