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Finding the Fourth Proportional to 1,363.37, 2,043.97 and 951.28

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Solution

The fourth proportional to 1,363.37, 2,043.97 and 951.28 is: 1,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.37 : 2,043.97 = 951.28 : x
  2. Step 2: Convert to fraction form
    1,363.37/2,043.97 = 951.28/x
  3. Step 3: Cross multiply
    1,363.37x = 2,043.97 × 951.28
  4. Step 4: Simplify right side
    1,363.37x = 1,944,380.29
  5. Step 5: Solve for x
    x = 1,944,380.29/1,363.37
  6. Step 6: Final answer
    x = 1,426.16

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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.