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Finding the Fourth Proportional to 3,224.75, 4,837.13 and 792.75

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Solution

The fourth proportional to 3,224.75, 4,837.13 and 792.75 is: 1,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.75 : 4,837.13 = 792.75 : x
  2. Step 2: Convert to fraction form
    3,224.75/4,837.13 = 792.75/x
  3. Step 3: Cross multiply
    3,224.75x = 4,837.13 × 792.75
  4. Step 4: Simplify right side
    3,224.75x = 3,834,634.81
  5. Step 5: Solve for x
    x = 3,834,634.81/3,224.75
  6. Step 6: Final answer
    x = 1,189.13

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Similar ratio
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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.