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Finding the Fourth Proportional to 50,743.80, 76,115.70 and 48,324.60

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Solution

The fourth proportional to 50,743.80, 76,115.70 and 48,324.60 is: 72,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,743.80 : 76,115.70 = 48,324.60 : x
  2. Step 2: Convert to fraction form
    50,743.80/76,115.70 = 48,324.60/x
  3. Step 3: Cross multiply
    50,743.80x = 76,115.70 × 48,324.60
  4. Step 4: Simplify right side
    50,743.80x = 3,678,260,756.22
  5. Step 5: Solve for x
    x = 3,678,260,756.22/50,743.80
  6. Step 6: Final answer
    x = 72,486.90

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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.