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Finding the Fourth Proportional to 2,276.61, 3,414.83 and 633.12

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Solution

The fourth proportional to 2,276.61, 3,414.83 and 633.12 is: 949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.61 : 3,414.83 = 633.12 : x
  2. Step 2: Convert to fraction form
    2,276.61/3,414.83 = 633.12/x
  3. Step 3: Cross multiply
    2,276.61x = 3,414.83 × 633.12
  4. Step 4: Simplify right side
    2,276.61x = 2,161,994.00
  5. Step 5: Solve for x
    x = 2,161,994.00/2,276.61
  6. Step 6: Final answer
    x = 949.65

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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.