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Finding the Fourth Proportional to 50,630.40, 75,945.60 and 36,633.60

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Solution

The fourth proportional to 50,630.40, 75,945.60 and 36,633.60 is: 54,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,630.40 : 75,945.60 = 36,633.60 : x
  2. Step 2: Convert to fraction form
    50,630.40/75,945.60 = 36,633.60/x
  3. Step 3: Cross multiply
    50,630.40x = 75,945.60 × 36,633.60
  4. Step 4: Simplify right side
    50,630.40x = 2,782,160,732.16
  5. Step 5: Solve for x
    x = 2,782,160,732.16/50,630.40
  6. Step 6: Final answer
    x = 54,950.40

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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.