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Finding the Fourth Proportional to 27,495.76, 41,243.13 and 8,775.65

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Solution

The fourth proportional to 27,495.76, 41,243.13 and 8,775.65 is: 13,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,495.76 : 41,243.13 = 8,775.65 : x
  2. Step 2: Convert to fraction form
    27,495.76/41,243.13 = 8,775.65/x
  3. Step 3: Cross multiply
    27,495.76x = 41,243.13 × 8,775.65
  4. Step 4: Simplify right side
    27,495.76x = 361,935,273.78
  5. Step 5: Solve for x
    x = 361,935,273.78/27,495.76
  6. Step 6: Final answer
    x = 13,163.31

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1.5x scale

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.