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Finding the Fourth Proportional to 49,739.68, 74,658.48 and 41,472.64

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Solution

The fourth proportional to 49,739.68, 74,658.48 and 41,472.64 is: 62,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.68 : 74,658.48 = 41,472.64 : x
  2. Step 2: Convert to fraction form
    49,739.68/74,658.48 = 41,472.64/x
  3. Step 3: Cross multiply
    49,739.68x = 74,658.48 × 41,472.64
  4. Step 4: Simplify right side
    49,739.68x = 3,096,284,263.99
  5. Step 5: Solve for x
    x = 3,096,284,263.99/49,739.68
  6. Step 6: Final answer
    x = 62,249.78

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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.