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Finding the Fourth Proportional to 63,958.80, 95,938.20 and 50,739.60

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Solution

The fourth proportional to 63,958.80, 95,938.20 and 50,739.60 is: 76,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,958.80 : 95,938.20 = 50,739.60 : x
  2. Step 2: Convert to fraction form
    63,958.80/95,938.20 = 50,739.60/x
  3. Step 3: Cross multiply
    63,958.80x = 95,938.20 × 50,739.60
  4. Step 4: Simplify right side
    63,958.80x = 4,867,865,892.72
  5. Step 5: Solve for x
    x = 4,867,865,892.72/63,958.80
  6. Step 6: Final answer
    x = 76,109.40

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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.