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Finding the Fourth Proportional to 1,836.47, 2,755.72 and 796.48

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Solution

The fourth proportional to 1,836.47, 2,755.72 and 796.48 is: 1,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.47 : 2,755.72 = 796.48 : x
  2. Step 2: Convert to fraction form
    1,836.47/2,755.72 = 796.48/x
  3. Step 3: Cross multiply
    1,836.47x = 2,755.72 × 796.48
  4. Step 4: Simplify right side
    1,836.47x = 2,194,875.87
  5. Step 5: Solve for x
    x = 2,194,875.87/1,836.47
  6. Step 6: Final answer
    x = 1,195.16

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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.