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Finding the Fourth Proportional to 1,883.13, 2,826.43 and 959.34

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Solution

The fourth proportional to 1,883.13, 2,826.43 and 959.34 is: 1,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.13 : 2,826.43 = 959.34 : x
  2. Step 2: Convert to fraction form
    1,883.13/2,826.43 = 959.34/x
  3. Step 3: Cross multiply
    1,883.13x = 2,826.43 × 959.34
  4. Step 4: Simplify right side
    1,883.13x = 2,711,515.56
  5. Step 5: Solve for x
    x = 2,711,515.56/1,883.13
  6. Step 6: Final answer
    x = 1,439.90

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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.