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Finding the Fourth Proportional to 57,520.94, 79,379.19 and 33,642.95

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Solution

The fourth proportional to 57,520.94, 79,379.19 and 33,642.95 is: 46,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,520.94 : 79,379.19 = 33,642.95 : x
  2. Step 2: Convert to fraction form
    57,520.94/79,379.19 = 33,642.95/x
  3. Step 3: Cross multiply
    57,520.94x = 79,379.19 × 33,642.95
  4. Step 4: Simplify right side
    57,520.94x = 2,670,549,723.31
  5. Step 5: Solve for x
    x = 2,670,549,723.31/57,520.94
  6. Step 6: Final answer
    x = 46,427.44

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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.