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Finding the Fourth Proportional to 27,453.25, 41,155.44 and 9,919.18

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Solution

The fourth proportional to 27,453.25, 41,155.44 and 9,919.18 is: 14,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.25 : 41,155.44 = 9,919.18 : x
  2. Step 2: Convert to fraction form
    27,453.25/41,155.44 = 9,919.18/x
  3. Step 3: Cross multiply
    27,453.25x = 41,155.44 × 9,919.18
  4. Step 4: Simplify right side
    27,453.25x = 408,228,217.34
  5. Step 5: Solve for x
    x = 408,228,217.34/27,453.25
  6. Step 6: Final answer
    x = 14,869.94

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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.