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Finding the Fourth Proportional to 792.66, 1,092.48 and 595.86

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Solution

The fourth proportional to 792.66, 1,092.48 and 595.86 is: 821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.66 : 1,092.48 = 595.86 : x
  2. Step 2: Convert to fraction form
    792.66/1,092.48 = 595.86/x
  3. Step 3: Cross multiply
    792.66x = 1,092.48 × 595.86
  4. Step 4: Simplify right side
    792.66x = 650,965.13
  5. Step 5: Solve for x
    x = 650,965.13/792.66
  6. Step 6: Final answer
    x = 821.24

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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.