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Finding the Fourth Proportional to 50,658.60, 69,893.46 and 29,433.80

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Solution

The fourth proportional to 50,658.60, 69,893.46 and 29,433.80 is: 40,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,658.60 : 69,893.46 = 29,433.80 : x
  2. Step 2: Convert to fraction form
    50,658.60/69,893.46 = 29,433.80/x
  3. Step 3: Cross multiply
    50,658.60x = 69,893.46 × 29,433.80
  4. Step 4: Simplify right side
    50,658.60x = 2,057,230,122.95
  5. Step 5: Solve for x
    x = 2,057,230,122.95/50,658.60
  6. Step 6: Final answer
    x = 40,609.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.