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Finding the Fourth Proportional to 27,830.55, 41,751.02 and 11,191.86

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Solution

The fourth proportional to 27,830.55, 41,751.02 and 11,191.86 is: 16,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.55 : 41,751.02 = 11,191.86 : x
  2. Step 2: Convert to fraction form
    27,830.55/41,751.02 = 11,191.86/x
  3. Step 3: Cross multiply
    27,830.55x = 41,751.02 × 11,191.86
  4. Step 4: Simplify right side
    27,830.55x = 467,271,514.74
  5. Step 5: Solve for x
    x = 467,271,514.74/27,830.55
  6. Step 6: Final answer
    x = 16,789.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.