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Finding the Fourth Proportional to 1,882.56, 2,834.88 and 1,641.96

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Solution

The fourth proportional to 1,882.56, 2,834.88 and 1,641.96 is: 2,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.56 : 2,834.88 = 1,641.96 : x
  2. Step 2: Convert to fraction form
    1,882.56/2,834.88 = 1,641.96/x
  3. Step 3: Cross multiply
    1,882.56x = 2,834.88 × 1,641.96
  4. Step 4: Simplify right side
    1,882.56x = 4,654,759.56
  5. Step 5: Solve for x
    x = 4,654,759.56/1,882.56
  6. Step 6: Final answer
    x = 2,472.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.