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Finding the Fourth Proportional to 8,548.92, 12,824.60 and 2,704.20

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Solution

The fourth proportional to 8,548.92, 12,824.60 and 2,704.20 is: 4,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.92 : 12,824.60 = 2,704.20 : x
  2. Step 2: Convert to fraction form
    8,548.92/12,824.60 = 2,704.20/x
  3. Step 3: Cross multiply
    8,548.92x = 12,824.60 × 2,704.20
  4. Step 4: Simplify right side
    8,548.92x = 34,680,283.32
  5. Step 5: Solve for x
    x = 34,680,283.32/8,548.92
  6. Step 6: Final answer
    x = 4,056.69

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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.