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Finding the Fourth Proportional to 8,671.44, 12,996.24 and 3,735.36

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Solution

The fourth proportional to 8,671.44, 12,996.24 and 3,735.36 is: 5,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.44 : 12,996.24 = 3,735.36 : x
  2. Step 2: Convert to fraction form
    8,671.44/12,996.24 = 3,735.36/x
  3. Step 3: Cross multiply
    8,671.44x = 12,996.24 × 3,735.36
  4. Step 4: Simplify right side
    8,671.44x = 48,545,635.05
  5. Step 5: Solve for x
    x = 48,545,635.05/8,671.44
  6. Step 6: Final answer
    x = 5,598.34

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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.