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Finding the Fourth Proportional to 2,276.76, 3,414.75 and 633.32

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Solution

The fourth proportional to 2,276.76, 3,414.75 and 633.32 is: 949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.76 : 3,414.75 = 633.32 : x
  2. Step 2: Convert to fraction form
    2,276.76/3,414.75 = 633.32/x
  3. Step 3: Cross multiply
    2,276.76x = 3,414.75 × 633.32
  4. Step 4: Simplify right side
    2,276.76x = 2,162,629.47
  5. Step 5: Solve for x
    x = 2,162,629.47/2,276.76
  6. Step 6: Final answer
    x = 949.87

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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.