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Finding the Fourth Proportional to 1,166.82, 1,750.92 and 550.32

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Solution

The fourth proportional to 1,166.82, 1,750.92 and 550.32 is: 825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.82 : 1,750.92 = 550.32 : x
  2. Step 2: Convert to fraction form
    1,166.82/1,750.92 = 550.32/x
  3. Step 3: Cross multiply
    1,166.82x = 1,750.92 × 550.32
  4. Step 4: Simplify right side
    1,166.82x = 963,566.29
  5. Step 5: Solve for x
    x = 963,566.29/1,166.82
  6. Step 6: Final answer
    x = 825.81

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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.