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Finding the Fourth Proportional to 1,727.88, 2,593.20 and 632.94

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Solution

The fourth proportional to 1,727.88, 2,593.20 and 632.94 is: 949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.88 : 2,593.20 = 632.94 : x
  2. Step 2: Convert to fraction form
    1,727.88/2,593.20 = 632.94/x
  3. Step 3: Cross multiply
    1,727.88x = 2,593.20 × 632.94
  4. Step 4: Simplify right side
    1,727.88x = 1,641,340.01
  5. Step 5: Solve for x
    x = 1,641,340.01/1,727.88
  6. Step 6: Final answer
    x = 949.92

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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.