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Finding the Fourth Proportional to 27,719.52, 41,578.68 and 8,999.52

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Solution

The fourth proportional to 27,719.52, 41,578.68 and 8,999.52 is: 13,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719.52 : 41,578.68 = 8,999.52 : x
  2. Step 2: Convert to fraction form
    27,719.52/41,578.68 = 8,999.52/x
  3. Step 3: Cross multiply
    27,719.52x = 41,578.68 × 8,999.52
  4. Step 4: Simplify right side
    27,719.52x = 374,188,162.23
  5. Step 5: Solve for x
    x = 374,188,162.23/27,719.52
  6. Step 6: Final answer
    x = 13,499.09

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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.