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Finding the Fourth Proportional to 49,605.80, 74,408.70 and 29,906.60

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Solution

The fourth proportional to 49,605.80, 74,408.70 and 29,906.60 is: 44,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,605.80 : 74,408.70 = 29,906.60 : x
  2. Step 2: Convert to fraction form
    49,605.80/74,408.70 = 29,906.60/x
  3. Step 3: Cross multiply
    49,605.80x = 74,408.70 × 29,906.60
  4. Step 4: Simplify right side
    49,605.80x = 2,225,311,227.42
  5. Step 5: Solve for x
    x = 2,225,311,227.42/49,605.80
  6. Step 6: Final answer
    x = 44,859.90

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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.