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Finding the Fourth Proportional to 1,912.46, 2,869.13 and 596.15

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Solution

The fourth proportional to 1,912.46, 2,869.13 and 596.15 is: 894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.46 : 2,869.13 = 596.15 : x
  2. Step 2: Convert to fraction form
    1,912.46/2,869.13 = 596.15/x
  3. Step 3: Cross multiply
    1,912.46x = 2,869.13 × 596.15
  4. Step 4: Simplify right side
    1,912.46x = 1,710,431.85
  5. Step 5: Solve for x
    x = 1,710,431.85/1,912.46
  6. Step 6: Final answer
    x = 894.36

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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.