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Finding the Fourth Proportional to 3,718.67, 5,579.03 and 3,023.62

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Solution

The fourth proportional to 3,718.67, 5,579.03 and 3,023.62 is: 4,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.67 : 5,579.03 = 3,023.62 : x
  2. Step 2: Convert to fraction form
    3,718.67/5,579.03 = 3,023.62/x
  3. Step 3: Cross multiply
    3,718.67x = 5,579.03 × 3,023.62
  4. Step 4: Simplify right side
    3,718.67x = 16,868,860.30
  5. Step 5: Solve for x
    x = 16,868,860.30/3,718.67
  6. Step 6: Final answer
    x = 4,536.27

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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.