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Finding the Fourth Proportional to 1,166.22, 1,748.37 and 550.22

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Solution

The fourth proportional to 1,166.22, 1,748.37 and 550.22 is: 824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.22 : 1,748.37 = 550.22 : x
  2. Step 2: Convert to fraction form
    1,166.22/1,748.37 = 550.22/x
  3. Step 3: Cross multiply
    1,166.22x = 1,748.37 × 550.22
  4. Step 4: Simplify right side
    1,166.22x = 961,988.14
  5. Step 5: Solve for x
    x = 961,988.14/1,166.22
  6. Step 6: Final answer
    x = 824.88

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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.