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Finding the Fourth Proportional to 8,752.73, 13,127.52 and 2,829.37

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Solution

The fourth proportional to 8,752.73, 13,127.52 and 2,829.37 is: 4,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.73 : 13,127.52 = 2,829.37 : x
  2. Step 2: Convert to fraction form
    8,752.73/13,127.52 = 2,829.37/x
  3. Step 3: Cross multiply
    8,752.73x = 13,127.52 × 2,829.37
  4. Step 4: Simplify right side
    8,752.73x = 37,142,611.26
  5. Step 5: Solve for x
    x = 37,142,611.26/8,752.73
  6. Step 6: Final answer
    x = 4,243.55

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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.