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Finding the Fourth Proportional to 1,836.56, 2,756.52 and 849.84

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Solution

The fourth proportional to 1,836.56, 2,756.52 and 849.84 is: 1,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.56 : 2,756.52 = 849.84 : x
  2. Step 2: Convert to fraction form
    1,836.56/2,756.52 = 849.84/x
  3. Step 3: Cross multiply
    1,836.56x = 2,756.52 × 849.84
  4. Step 4: Simplify right side
    1,836.56x = 2,342,600.96
  5. Step 5: Solve for x
    x = 2,342,600.96/1,836.56
  6. Step 6: Final answer
    x = 1,275.54

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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.