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Finding the Fourth Proportional to 8,671.82, 13,007.23 and 2,346.60

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Solution

The fourth proportional to 8,671.82, 13,007.23 and 2,346.60 is: 3,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.82 : 13,007.23 = 2,346.60 : x
  2. Step 2: Convert to fraction form
    8,671.82/13,007.23 = 2,346.60/x
  3. Step 3: Cross multiply
    8,671.82x = 13,007.23 × 2,346.60
  4. Step 4: Simplify right side
    8,671.82x = 30,522,760.05
  5. Step 5: Solve for x
    x = 30,522,760.05/8,671.82
  6. Step 6: Final answer
    x = 3,519.77

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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.