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Finding the Fourth Proportional to 1,844.73, 2,767.23 and 749.12

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Solution

The fourth proportional to 1,844.73, 2,767.23 and 749.12 is: 1,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.73 : 2,767.23 = 749.12 : x
  2. Step 2: Convert to fraction form
    1,844.73/2,767.23 = 749.12/x
  3. Step 3: Cross multiply
    1,844.73x = 2,767.23 × 749.12
  4. Step 4: Simplify right side
    1,844.73x = 2,072,973.50
  5. Step 5: Solve for x
    x = 2,072,973.50/1,844.73
  6. Step 6: Final answer
    x = 1,123.73

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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.