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Finding the Fourth Proportional to 5,579.73, 8,370.81 and 2,654.01

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Solution

The fourth proportional to 5,579.73, 8,370.81 and 2,654.01 is: 3,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.73 : 8,370.81 = 2,654.01 : x
  2. Step 2: Convert to fraction form
    5,579.73/8,370.81 = 2,654.01/x
  3. Step 3: Cross multiply
    5,579.73x = 8,370.81 × 2,654.01
  4. Step 4: Simplify right side
    5,579.73x = 22,216,213.45
  5. Step 5: Solve for x
    x = 22,216,213.45/5,579.73
  6. Step 6: Final answer
    x = 3,981.59

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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.