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Finding the Fourth Proportional to 1,599.57, 2,401.18 and 1,072.87

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Solution

The fourth proportional to 1,599.57, 2,401.18 and 1,072.87 is: 1,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.57 : 2,401.18 = 1,072.87 : x
  2. Step 2: Convert to fraction form
    1,599.57/2,401.18 = 1,072.87/x
  3. Step 3: Cross multiply
    1,599.57x = 2,401.18 × 1,072.87
  4. Step 4: Simplify right side
    1,599.57x = 2,576,145.30
  5. Step 5: Solve for x
    x = 2,576,145.30/1,599.57
  6. Step 6: Final answer
    x = 1,610.52

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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.