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Finding the Fourth Proportional to 27,958.58, 41,937.80 and 8,237.12

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Solution

The fourth proportional to 27,958.58, 41,937.80 and 8,237.12 is: 12,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.58 : 41,937.80 = 8,237.12 : x
  2. Step 2: Convert to fraction form
    27,958.58/41,937.80 = 8,237.12/x
  3. Step 3: Cross multiply
    27,958.58x = 41,937.80 × 8,237.12
  4. Step 4: Simplify right side
    27,958.58x = 345,446,691.14
  5. Step 5: Solve for x
    x = 345,446,691.14/27,958.58
  6. Step 6: Final answer
    x = 12,355.66

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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.