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Finding the Fourth Proportional to 1,825.98, 2,737.50 and 729.30

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Solution

The fourth proportional to 1,825.98, 2,737.50 and 729.30 is: 1,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.98 : 2,737.50 = 729.30 : x
  2. Step 2: Convert to fraction form
    1,825.98/2,737.50 = 729.30/x
  3. Step 3: Cross multiply
    1,825.98x = 2,737.50 × 729.30
  4. Step 4: Simplify right side
    1,825.98x = 1,996,458.75
  5. Step 5: Solve for x
    x = 1,996,458.75/1,825.98
  6. Step 6: Final answer
    x = 1,093.36

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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.