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Finding the Fourth Proportional to 39,784.80, 59,704.80 and 29,944.80

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Solution

The fourth proportional to 39,784.80, 59,704.80 and 29,944.80 is: 44,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.80 : 59,704.80 = 29,944.80 : x
  2. Step 2: Convert to fraction form
    39,784.80/59,704.80 = 29,944.80/x
  3. Step 3: Cross multiply
    39,784.80x = 59,704.80 × 29,944.80
  4. Step 4: Simplify right side
    39,784.80x = 1,787,848,295.04
  5. Step 5: Solve for x
    x = 1,787,848,295.04/39,784.80
  6. Step 6: Final answer
    x = 44,937.97

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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.