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Finding the Fourth Proportional to 18,304.62, 27,446.82 and 10,811.32

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Solution

The fourth proportional to 18,304.62, 27,446.82 and 10,811.32 is: 16,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.62 : 27,446.82 = 10,811.32 : x
  2. Step 2: Convert to fraction form
    18,304.62/27,446.82 = 10,811.32/x
  3. Step 3: Cross multiply
    18,304.62x = 27,446.82 × 10,811.32
  4. Step 4: Simplify right side
    18,304.62x = 296,736,354.00
  5. Step 5: Solve for x
    x = 296,736,354.00/18,304.62
  6. Step 6: Final answer
    x = 16,211.01

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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.