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Finding the Fourth Proportional to 1,844.94, 2,767.61 and 749.42

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Solution

The fourth proportional to 1,844.94, 2,767.61 and 749.42 is: 1,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.94 : 2,767.61 = 749.42 : x
  2. Step 2: Convert to fraction form
    1,844.94/2,767.61 = 749.42/x
  3. Step 3: Cross multiply
    1,844.94x = 2,767.61 × 749.42
  4. Step 4: Simplify right side
    1,844.94x = 2,074,102.29
  5. Step 5: Solve for x
    x = 2,074,102.29/1,844.94
  6. Step 6: Final answer
    x = 1,124.21

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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.