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Finding the Fourth Proportional to 18,079.64, 24,958.94 and 11,368.97

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Solution

The fourth proportional to 18,079.64, 24,958.94 and 11,368.97 is: 15,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.64 : 24,958.94 = 11,368.97 : x
  2. Step 2: Convert to fraction form
    18,079.64/24,958.94 = 11,368.97/x
  3. Step 3: Cross multiply
    18,079.64x = 24,958.94 × 11,368.97
  4. Step 4: Simplify right side
    18,079.64x = 283,757,258.45
  5. Step 5: Solve for x
    x = 283,757,258.45/18,079.64
  6. Step 6: Final answer
    x = 15,694.86

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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.