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Finding the Fourth Proportional to 1,367.28, 2,052.00 and 953.73

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Solution

The fourth proportional to 1,367.28, 2,052.00 and 953.73 is: 1,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.28 : 2,052.00 = 953.73 : x
  2. Step 2: Convert to fraction form
    1,367.28/2,052.00 = 953.73/x
  3. Step 3: Cross multiply
    1,367.28x = 2,052.00 × 953.73
  4. Step 4: Simplify right side
    1,367.28x = 1,957,050.38
  5. Step 5: Solve for x
    x = 1,957,050.38/1,367.28
  6. Step 6: Final answer
    x = 1,431.34

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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.