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Finding the Fourth Proportional to 24,635.42, 36,943.54 and 7,991.43

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Solution

The fourth proportional to 24,635.42, 36,943.54 and 7,991.43 is: 11,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,635.42 : 36,943.54 = 7,991.43 : x
  2. Step 2: Convert to fraction form
    24,635.42/36,943.54 = 7,991.43/x
  3. Step 3: Cross multiply
    24,635.42x = 36,943.54 × 7,991.43
  4. Step 4: Simplify right side
    24,635.42x = 295,231,713.86
  5. Step 5: Solve for x
    x = 295,231,713.86/24,635.42
  6. Step 6: Final answer
    x = 11,984.03

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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.