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Finding the Fourth Proportional to 1,729.86, 2,595.12 and 949.44

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Solution

The fourth proportional to 1,729.86, 2,595.12 and 949.44 is: 1,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.86 : 2,595.12 = 949.44 : x
  2. Step 2: Convert to fraction form
    1,729.86/2,595.12 = 949.44/x
  3. Step 3: Cross multiply
    1,729.86x = 2,595.12 × 949.44
  4. Step 4: Simplify right side
    1,729.86x = 2,463,910.73
  5. Step 5: Solve for x
    x = 2,463,910.73/1,729.86
  6. Step 6: Final answer
    x = 1,424.34

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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.