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Finding the Fourth Proportional to 1,824.76, 2,737.44 and 729.14

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Solution

The fourth proportional to 1,824.76, 2,737.44 and 729.14 is: 1,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.76 : 2,737.44 = 729.14 : x
  2. Step 2: Convert to fraction form
    1,824.76/2,737.44 = 729.14/x
  3. Step 3: Cross multiply
    1,824.76x = 2,737.44 × 729.14
  4. Step 4: Simplify right side
    1,824.76x = 1,995,983.85
  5. Step 5: Solve for x
    x = 1,995,983.85/1,824.76
  6. Step 6: Final answer
    x = 1,093.84

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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.