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Finding the Fourth Proportional to 18,392.54, 27,589.06 and 5,244.91

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Solution

The fourth proportional to 18,392.54, 27,589.06 and 5,244.91 is: 7,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.54 : 27,589.06 = 5,244.91 : x
  2. Step 2: Convert to fraction form
    18,392.54/27,589.06 = 5,244.91/x
  3. Step 3: Cross multiply
    18,392.54x = 27,589.06 × 5,244.91
  4. Step 4: Simplify right side
    18,392.54x = 144,701,998.74
  5. Step 5: Solve for x
    x = 144,701,998.74/18,392.54
  6. Step 6: Final answer
    x = 7,867.43

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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.