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Finding the Fourth Proportional to 2,331.75, 3,498.17 and 792.75

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Solution

The fourth proportional to 2,331.75, 3,498.17 and 792.75 is: 1,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.75 : 3,498.17 = 792.75 : x
  2. Step 2: Convert to fraction form
    2,331.75/3,498.17 = 792.75/x
  3. Step 3: Cross multiply
    2,331.75x = 3,498.17 × 792.75
  4. Step 4: Simplify right side
    2,331.75x = 2,773,170.30
  5. Step 5: Solve for x
    x = 2,773,170.30/2,331.75
  6. Step 6: Final answer
    x = 1,189.31

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1.5x scale

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.