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Finding the Fourth Proportional to 1,083.78, 1,622.89 and 596.29

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Solution

The fourth proportional to 1,083.78, 1,622.89 and 596.29 is: 892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.78 : 1,622.89 = 596.29 : x
  2. Step 2: Convert to fraction form
    1,083.78/1,622.89 = 596.29/x
  3. Step 3: Cross multiply
    1,083.78x = 1,622.89 × 596.29
  4. Step 4: Simplify right side
    1,083.78x = 967,713.08
  5. Step 5: Solve for x
    x = 967,713.08/1,083.78
  6. Step 6: Final answer
    x = 892.91

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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.