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Finding the Fourth Proportional to 27,887.15, 41,830.72 and 7,110.65

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Solution

The fourth proportional to 27,887.15, 41,830.72 and 7,110.65 is: 10,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.15 : 41,830.72 = 7,110.65 : x
  2. Step 2: Convert to fraction form
    27,887.15/41,830.72 = 7,110.65/x
  3. Step 3: Cross multiply
    27,887.15x = 41,830.72 × 7,110.65
  4. Step 4: Simplify right side
    27,887.15x = 297,443,609.17
  5. Step 5: Solve for x
    x = 297,443,609.17/27,887.15
  6. Step 6: Final answer
    x = 10,665.97

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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.