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Finding the Fourth Proportional to 1,727.88, 2,384.49 and 941.93

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Solution

The fourth proportional to 1,727.88, 2,384.49 and 941.93 is: 1,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.88 : 2,384.49 = 941.93 : x
  2. Step 2: Convert to fraction form
    1,727.88/2,384.49 = 941.93/x
  3. Step 3: Cross multiply
    1,727.88x = 2,384.49 × 941.93
  4. Step 4: Simplify right side
    1,727.88x = 2,246,017.92
  5. Step 5: Solve for x
    x = 2,246,017.92/1,727.88
  6. Step 6: Final answer
    x = 1,299.87

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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.