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Finding the Fourth Proportional to 799.10, 1,103.08 and 733.50

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Solution

The fourth proportional to 799.10, 1,103.08 and 733.50 is: 1,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.10 : 1,103.08 = 733.50 : x
  2. Step 2: Convert to fraction form
    799.10/1,103.08 = 733.50/x
  3. Step 3: Cross multiply
    799.10x = 1,103.08 × 733.50
  4. Step 4: Simplify right side
    799.10x = 809,109.18
  5. Step 5: Solve for x
    x = 809,109.18/799.10
  6. Step 6: Final answer
    x = 1,012.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.