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Finding the Fourth Proportional to 1,232.84, 1,849.92 and 959.48

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Solution

The fourth proportional to 1,232.84, 1,849.92 and 959.48 is: 1,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.84 : 1,849.92 = 959.48 : x
  2. Step 2: Convert to fraction form
    1,232.84/1,849.92 = 959.48/x
  3. Step 3: Cross multiply
    1,232.84x = 1,849.92 × 959.48
  4. Step 4: Simplify right side
    1,232.84x = 1,774,961.24
  5. Step 5: Solve for x
    x = 1,774,961.24/1,232.84
  6. Step 6: Final answer
    x = 1,439.73

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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.