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Finding the Fourth Proportional to 792.10, 1,092.43 and 595.27

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Solution

The fourth proportional to 792.10, 1,092.43 and 595.27 is: 820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.10 : 1,092.43 = 595.27 : x
  2. Step 2: Convert to fraction form
    792.10/1,092.43 = 595.27/x
  3. Step 3: Cross multiply
    792.10x = 1,092.43 × 595.27
  4. Step 4: Simplify right side
    792.10x = 650,290.81
  5. Step 5: Solve for x
    x = 650,290.81/792.10
  6. Step 6: Final answer
    x = 820.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.