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Finding the Fourth Proportional to 1,104.82, 1,653.73 and 733.89

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Solution

The fourth proportional to 1,104.82, 1,653.73 and 733.89 is: 1,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.82 : 1,653.73 = 733.89 : x
  2. Step 2: Convert to fraction form
    1,104.82/1,653.73 = 733.89/x
  3. Step 3: Cross multiply
    1,104.82x = 1,653.73 × 733.89
  4. Step 4: Simplify right side
    1,104.82x = 1,213,655.91
  5. Step 5: Solve for x
    x = 1,213,655.91/1,104.82
  6. Step 6: Final answer
    x = 1,098.51

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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.