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Finding the Fourth Proportional to 50,512.80, 75,772.80 and 15,452.40

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Solution

The fourth proportional to 50,512.80, 75,772.80 and 15,452.40 is: 23,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,512.80 : 75,772.80 = 15,452.40 : x
  2. Step 2: Convert to fraction form
    50,512.80/75,772.80 = 15,452.40/x
  3. Step 3: Cross multiply
    50,512.80x = 75,772.80 × 15,452.40
  4. Step 4: Simplify right side
    50,512.80x = 1,170,871,614.72
  5. Step 5: Solve for x
    x = 1,170,871,614.72/50,512.80
  6. Step 6: Final answer
    x = 23,179.70

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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.