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Finding the Fourth Proportional to 1,773.27, 2,661.68 and 733.88

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Solution

The fourth proportional to 1,773.27, 2,661.68 and 733.88 is: 1,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.27 : 2,661.68 = 733.88 : x
  2. Step 2: Convert to fraction form
    1,773.27/2,661.68 = 733.88/x
  3. Step 3: Cross multiply
    1,773.27x = 2,661.68 × 733.88
  4. Step 4: Simplify right side
    1,773.27x = 1,953,362.21
  5. Step 5: Solve for x
    x = 1,953,362.21/1,773.27
  6. Step 6: Final answer
    x = 1,101.56

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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.