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Finding the Fourth Proportional to 2,713.54, 4,067.80 and 957.58

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Solution

The fourth proportional to 2,713.54, 4,067.80 and 957.58 is: 1,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.54 : 4,067.80 = 957.58 : x
  2. Step 2: Convert to fraction form
    2,713.54/4,067.80 = 957.58/x
  3. Step 3: Cross multiply
    2,713.54x = 4,067.80 × 957.58
  4. Step 4: Simplify right side
    2,713.54x = 3,895,243.92
  5. Step 5: Solve for x
    x = 3,895,243.92/2,713.54
  6. Step 6: Final answer
    x = 1,435.48

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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.