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Finding the Fourth Proportional to 15,304.40, 22,956.60 and 8,743.40

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Solution

The fourth proportional to 15,304.40, 22,956.60 and 8,743.40 is: 13,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304.40 : 22,956.60 = 8,743.40 : x
  2. Step 2: Convert to fraction form
    15,304.40/22,956.60 = 8,743.40/x
  3. Step 3: Cross multiply
    15,304.40x = 22,956.60 × 8,743.40
  4. Step 4: Simplify right side
    15,304.40x = 200,718,736.44
  5. Step 5: Solve for x
    x = 200,718,736.44/15,304.40
  6. Step 6: Final answer
    x = 13,115.10

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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.