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Finding the Fourth Proportional to 18,392.94, 27,589.82 and 7,304.85

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Solution

The fourth proportional to 18,392.94, 27,589.82 and 7,304.85 is: 10,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.94 : 27,589.82 = 7,304.85 : x
  2. Step 2: Convert to fraction form
    18,392.94/27,589.82 = 7,304.85/x
  3. Step 3: Cross multiply
    18,392.94x = 27,589.82 × 7,304.85
  4. Step 4: Simplify right side
    18,392.94x = 201,539,460.10
  5. Step 5: Solve for x
    x = 201,539,460.10/18,392.94
  6. Step 6: Final answer
    x = 10,957.44

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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.