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Finding the Fourth Proportional to 58,584.99, 80,847.39 and 31,727.42

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Solution

The fourth proportional to 58,584.99, 80,847.39 and 31,727.42 is: 43,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,584.99 : 80,847.39 = 31,727.42 : x
  2. Step 2: Convert to fraction form
    58,584.99/80,847.39 = 31,727.42/x
  3. Step 3: Cross multiply
    58,584.99x = 80,847.39 × 31,727.42
  4. Step 4: Simplify right side
    58,584.99x = 2,565,079,098.43
  5. Step 5: Solve for x
    x = 2,565,079,098.43/58,584.99
  6. Step 6: Final answer
    x = 43,783.90

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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.