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Finding the Fourth Proportional to 44,469.86, 66,699.86 and 11,189.93

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Solution

The fourth proportional to 44,469.86, 66,699.86 and 11,189.93 is: 16,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,469.86 : 66,699.86 = 11,189.93 : x
  2. Step 2: Convert to fraction form
    44,469.86/66,699.86 = 11,189.93/x
  3. Step 3: Cross multiply
    44,469.86x = 66,699.86 × 11,189.93
  4. Step 4: Simplify right side
    44,469.86x = 746,366,764.41
  5. Step 5: Solve for x
    x = 746,366,764.41/44,469.86
  6. Step 6: Final answer
    x = 16,783.65

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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.