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Finding the Fourth Proportional to 1,082.39, 1,622.97 and 595.78

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Solution

The fourth proportional to 1,082.39, 1,622.97 and 595.78 is: 893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.39 : 1,622.97 = 595.78 : x
  2. Step 2: Convert to fraction form
    1,082.39/1,622.97 = 595.78/x
  3. Step 3: Cross multiply
    1,082.39x = 1,622.97 × 595.78
  4. Step 4: Simplify right side
    1,082.39x = 966,929.01
  5. Step 5: Solve for x
    x = 966,929.01/1,082.39
  6. Step 6: Final answer
    x = 893.33

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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.