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Finding the Fourth Proportional to 1,163.03, 1,601.98 and 952.43

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Solution

The fourth proportional to 1,163.03, 1,601.98 and 952.43 is: 1,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.03 : 1,601.98 = 952.43 : x
  2. Step 2: Convert to fraction form
    1,163.03/1,601.98 = 952.43/x
  3. Step 3: Cross multiply
    1,163.03x = 1,601.98 × 952.43
  4. Step 4: Simplify right side
    1,163.03x = 1,525,763.42
  5. Step 5: Solve for x
    x = 1,525,763.42/1,163.03
  6. Step 6: Final answer
    x = 1,311.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.