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Finding the Fourth Proportional to 1,166.24, 1,749.97 and 755.27

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Solution

The fourth proportional to 1,166.24, 1,749.97 and 755.27 is: 1,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.24 : 1,749.97 = 755.27 : x
  2. Step 2: Convert to fraction form
    1,166.24/1,749.97 = 755.27/x
  3. Step 3: Cross multiply
    1,166.24x = 1,749.97 × 755.27
  4. Step 4: Simplify right side
    1,166.24x = 1,321,699.84
  5. Step 5: Solve for x
    x = 1,321,699.84/1,166.24
  6. Step 6: Final answer
    x = 1,133.30

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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.