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Finding the Fourth Proportional to 1,882.89, 2,824.43 and 584.55

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Solution

The fourth proportional to 1,882.89, 2,824.43 and 584.55 is: 876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.89 : 2,824.43 = 584.55 : x
  2. Step 2: Convert to fraction form
    1,882.89/2,824.43 = 584.55/x
  3. Step 3: Cross multiply
    1,882.89x = 2,824.43 × 584.55
  4. Step 4: Simplify right side
    1,882.89x = 1,651,017.63
  5. Step 5: Solve for x
    x = 1,651,017.63/1,882.89
  6. Step 6: Final answer
    x = 876.85

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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.