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Finding the Fourth Proportional to 27,347.87, 41,021.80 and 8,879.87

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Solution

The fourth proportional to 27,347.87, 41,021.80 and 8,879.87 is: 13,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,347.87 : 41,021.80 = 8,879.87 : x
  2. Step 2: Convert to fraction form
    27,347.87/41,021.80 = 8,879.87/x
  3. Step 3: Cross multiply
    27,347.87x = 41,021.80 × 8,879.87
  4. Step 4: Simplify right side
    27,347.87x = 364,268,046.06
  5. Step 5: Solve for x
    x = 364,268,046.06/27,347.87
  6. Step 6: Final answer
    x = 13,319.80

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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.