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Finding the Fourth Proportional to 57,414.80, 85,927.80 and 50,416.40

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Solution

The fourth proportional to 57,414.80, 85,927.80 and 50,416.40 is: 75,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,414.80 : 85,927.80 = 50,416.40 : x
  2. Step 2: Convert to fraction form
    57,414.80/85,927.80 = 50,416.40/x
  3. Step 3: Cross multiply
    57,414.80x = 85,927.80 × 50,416.40
  4. Step 4: Simplify right side
    57,414.80x = 4,332,170,335.92
  5. Step 5: Solve for x
    x = 4,332,170,335.92/57,414.80
  6. Step 6: Final answer
    x = 75,453.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.