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Finding the Fourth Proportional to 1,759.96, 2,638.08 and 1,029.73

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Solution

The fourth proportional to 1,759.96, 2,638.08 and 1,029.73 is: 1,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.96 : 2,638.08 = 1,029.73 : x
  2. Step 2: Convert to fraction form
    1,759.96/2,638.08 = 1,029.73/x
  3. Step 3: Cross multiply
    1,759.96x = 2,638.08 × 1,029.73
  4. Step 4: Simplify right side
    1,759.96x = 2,716,510.12
  5. Step 5: Solve for x
    x = 2,716,510.12/1,759.96
  6. Step 6: Final answer
    x = 1,543.51

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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.