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Finding the Fourth Proportional to 1,743.73, 2,406.50 and 957.92

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Solution

The fourth proportional to 1,743.73, 2,406.50 and 957.92 is: 1,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.73 : 2,406.50 = 957.92 : x
  2. Step 2: Convert to fraction form
    1,743.73/2,406.50 = 957.92/x
  3. Step 3: Cross multiply
    1,743.73x = 2,406.50 × 957.92
  4. Step 4: Simplify right side
    1,743.73x = 2,305,234.48
  5. Step 5: Solve for x
    x = 2,305,234.48/1,743.73
  6. Step 6: Final answer
    x = 1,322.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.