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Finding the Fourth Proportional to 8,554.44, 12,832 and 2,630.86

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Solution

The fourth proportional to 8,554.44, 12,832 and 2,630.86 is: 3,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.44 : 12,832 = 2,630.86 : x
  2. Step 2: Convert to fraction form
    8,554.44/12,832 = 2,630.86/x
  3. Step 3: Cross multiply
    8,554.44x = 12,832 × 2,630.86
  4. Step 4: Simplify right side
    8,554.44x = 33,759,195.52
  5. Step 5: Solve for x
    x = 33,759,195.52/8,554.44
  6. Step 6: Final answer
    x = 3,946.39

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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.