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Finding the Fourth Proportional to 24,635.67, 36,943.91 and 7,991.68

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Solution

The fourth proportional to 24,635.67, 36,943.91 and 7,991.68 is: 11,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,635.67 : 36,943.91 = 7,991.68 : x
  2. Step 2: Convert to fraction form
    24,635.67/36,943.91 = 7,991.68/x
  3. Step 3: Cross multiply
    24,635.67x = 36,943.91 × 7,991.68
  4. Step 4: Simplify right side
    24,635.67x = 295,243,906.67
  5. Step 5: Solve for x
    x = 295,243,906.67/24,635.67
  6. Step 6: Final answer
    x = 11,984.41

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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.