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Finding the Fourth Proportional to 1,742.88, 2,610.87 and 1,049.73

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Solution

The fourth proportional to 1,742.88, 2,610.87 and 1,049.73 is: 1,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.88 : 2,610.87 = 1,049.73 : x
  2. Step 2: Convert to fraction form
    1,742.88/2,610.87 = 1,049.73/x
  3. Step 3: Cross multiply
    1,742.88x = 2,610.87 × 1,049.73
  4. Step 4: Simplify right side
    1,742.88x = 2,740,708.57
  5. Step 5: Solve for x
    x = 2,740,708.57/1,742.88
  6. Step 6: Final answer
    x = 1,572.52

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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.