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Finding the Fourth Proportional to 72,469.53, 108,716.85 and 24,433.56

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Solution

The fourth proportional to 72,469.53, 108,716.85 and 24,433.56 is: 36,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,469.53 : 108,716.85 = 24,433.56 : x
  2. Step 2: Convert to fraction form
    72,469.53/108,716.85 = 24,433.56/x
  3. Step 3: Cross multiply
    72,469.53x = 108,716.85 × 24,433.56
  4. Step 4: Simplify right side
    72,469.53x = 2,656,339,677.49
  5. Step 5: Solve for x
    x = 2,656,339,677.49/72,469.53
  6. Step 6: Final answer
    x = 36,654.57

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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.