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Finding the Fourth Proportional to 2,676.94, 4,014.95 and 729.14

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Solution

The fourth proportional to 2,676.94, 4,014.95 and 729.14 is: 1,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.94 : 4,014.95 = 729.14 : x
  2. Step 2: Convert to fraction form
    2,676.94/4,014.95 = 729.14/x
  3. Step 3: Cross multiply
    2,676.94x = 4,014.95 × 729.14
  4. Step 4: Simplify right side
    2,676.94x = 2,927,472.50
  5. Step 5: Solve for x
    x = 2,927,472.50/2,676.94
  6. Step 6: Final answer
    x = 1,093.59

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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.