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Finding the Fourth Proportional to 57,868.92, 79,861.26 and 32,716.92

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Solution

The fourth proportional to 57,868.92, 79,861.26 and 32,716.92 is: 45,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,868.92 : 79,861.26 = 32,716.92 : x
  2. Step 2: Convert to fraction form
    57,868.92/79,861.26 = 32,716.92/x
  3. Step 3: Cross multiply
    57,868.92x = 79,861.26 × 32,716.92
  4. Step 4: Simplify right side
    57,868.92x = 2,612,814,454.52
  5. Step 5: Solve for x
    x = 2,612,814,454.52/57,868.92
  6. Step 6: Final answer
    x = 45,150.57

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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.