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Finding the Fourth Proportional to 3,599.49, 5,395.22 and 1,518.87

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Solution

The fourth proportional to 3,599.49, 5,395.22 and 1,518.87 is: 2,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.49 : 5,395.22 = 1,518.87 : x
  2. Step 2: Convert to fraction form
    3,599.49/5,395.22 = 1,518.87/x
  3. Step 3: Cross multiply
    3,599.49x = 5,395.22 × 1,518.87
  4. Step 4: Simplify right side
    3,599.49x = 8,194,637.80
  5. Step 5: Solve for x
    x = 8,194,637.80/3,599.49
  6. Step 6: Final answer
    x = 2,276.61

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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.