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Finding the Fourth Proportional to 27,993.55, 41,996.25 and 9,272.53

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Solution

The fourth proportional to 27,993.55, 41,996.25 and 9,272.53 is: 13,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.55 : 41,996.25 = 9,272.53 : x
  2. Step 2: Convert to fraction form
    27,993.55/41,996.25 = 9,272.53/x
  3. Step 3: Cross multiply
    27,993.55x = 41,996.25 × 9,272.53
  4. Step 4: Simplify right side
    27,993.55x = 389,411,231.67
  5. Step 5: Solve for x
    x = 389,411,231.67/27,993.55
  6. Step 6: Final answer
    x = 13,910.75

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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.