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Finding the Fourth Proportional to 2,273.94, 3,410.64 and 713.88

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Solution

The fourth proportional to 2,273.94, 3,410.64 and 713.88 is: 1,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.94 : 3,410.64 = 713.88 : x
  2. Step 2: Convert to fraction form
    2,273.94/3,410.64 = 713.88/x
  3. Step 3: Cross multiply
    2,273.94x = 3,410.64 × 713.88
  4. Step 4: Simplify right side
    2,273.94x = 2,434,787.68
  5. Step 5: Solve for x
    x = 2,434,787.68/2,273.94
  6. Step 6: Final answer
    x = 1,070.74

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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.