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Finding the Fourth Proportional to 2,441.75, 3,663.17 and 902.75

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Solution

The fourth proportional to 2,441.75, 3,663.17 and 902.75 is: 1,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.75 : 3,663.17 = 902.75 : x
  2. Step 2: Convert to fraction form
    2,441.75/3,663.17 = 902.75/x
  3. Step 3: Cross multiply
    2,441.75x = 3,663.17 × 902.75
  4. Step 4: Simplify right side
    2,441.75x = 3,306,926.72
  5. Step 5: Solve for x
    x = 3,306,926.72/2,441.75
  6. Step 6: Final answer
    x = 1,354.33

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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.