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Finding the Fourth Proportional to 1,826.57, 2,735.91 and 959.06

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Solution

The fourth proportional to 1,826.57, 2,735.91 and 959.06 is: 1,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.57 : 2,735.91 = 959.06 : x
  2. Step 2: Convert to fraction form
    1,826.57/2,735.91 = 959.06/x
  3. Step 3: Cross multiply
    1,826.57x = 2,735.91 × 959.06
  4. Step 4: Simplify right side
    1,826.57x = 2,623,908.68
  5. Step 5: Solve for x
    x = 2,623,908.68/1,826.57
  6. Step 6: Final answer
    x = 1,436.52

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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.