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Finding the Fourth Proportional to 49,870.86, 68,847.22 and 38,514.86

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Solution

The fourth proportional to 49,870.86, 68,847.22 and 38,514.86 is: 53,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.86 : 68,847.22 = 38,514.86 : x
  2. Step 2: Convert to fraction form
    49,870.86/68,847.22 = 38,514.86/x
  3. Step 3: Cross multiply
    49,870.86x = 68,847.22 × 38,514.86
  4. Step 4: Simplify right side
    49,870.86x = 2,651,641,039.69
  5. Step 5: Solve for x
    x = 2,651,641,039.69/49,870.86
  6. Step 6: Final answer
    x = 53,170.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.