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Finding the Fourth Proportional to 24,617.81, 33,972.41 and 13,439.81

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Solution

The fourth proportional to 24,617.81, 33,972.41 and 13,439.81 is: 18,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,617.81 : 33,972.41 = 13,439.81 : x
  2. Step 2: Convert to fraction form
    24,617.81/33,972.41 = 13,439.81/x
  3. Step 3: Cross multiply
    24,617.81x = 33,972.41 × 13,439.81
  4. Step 4: Simplify right side
    24,617.81x = 456,582,668.44
  5. Step 5: Solve for x
    x = 456,582,668.44/24,617.81
  6. Step 6: Final answer
    x = 18,546.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.