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Finding the Fourth Proportional to 1,732.92, 2,391.60 and 1,025.00

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Solution

The fourth proportional to 1,732.92, 2,391.60 and 1,025.00 is: 1,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.92 : 2,391.60 = 1,025.00 : x
  2. Step 2: Convert to fraction form
    1,732.92/2,391.60 = 1,025.00/x
  3. Step 3: Cross multiply
    1,732.92x = 2,391.60 × 1,025.00
  4. Step 4: Simplify right side
    1,732.92x = 2,451,378.04
  5. Step 5: Solve for x
    x = 2,451,378.04/1,732.92
  6. Step 6: Final answer
    x = 1,414.59

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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.