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Finding the Fourth Proportional to 1,832.45, 2,749.28 and 736.52

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Solution

The fourth proportional to 1,832.45, 2,749.28 and 736.52 is: 1,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.45 : 2,749.28 = 736.52 : x
  2. Step 2: Convert to fraction form
    1,832.45/2,749.28 = 736.52/x
  3. Step 3: Cross multiply
    1,832.45x = 2,749.28 × 736.52
  4. Step 4: Simplify right side
    1,832.45x = 2,024,882.28
  5. Step 5: Solve for x
    x = 2,024,882.28/1,832.45
  6. Step 6: Final answer
    x = 1,105.02

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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.