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Finding the Fourth Proportional to 1,836.44, 2,753.72 and 740.51

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Solution

The fourth proportional to 1,836.44, 2,753.72 and 740.51 is: 1,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.44 : 2,753.72 = 740.51 : x
  2. Step 2: Convert to fraction form
    1,836.44/2,753.72 = 740.51/x
  3. Step 3: Cross multiply
    1,836.44x = 2,753.72 × 740.51
  4. Step 4: Simplify right side
    1,836.44x = 2,039,153.49
  5. Step 5: Solve for x
    x = 2,039,153.49/1,836.44
  6. Step 6: Final answer
    x = 1,110.38

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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.