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Finding the Fourth Proportional to 27,819.12, 41,735.04 and 9,351.12

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Solution

The fourth proportional to 27,819.12, 41,735.04 and 9,351.12 is: 14,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.12 : 41,735.04 = 9,351.12 : x
  2. Step 2: Convert to fraction form
    27,819.12/41,735.04 = 9,351.12/x
  3. Step 3: Cross multiply
    27,819.12x = 41,735.04 × 9,351.12
  4. Step 4: Simplify right side
    27,819.12x = 390,269,367.24
  5. Step 5: Solve for x
    x = 390,269,367.24/27,819.12
  6. Step 6: Final answer
    x = 14,028.82

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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.