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Finding the Fourth Proportional to 1,793.70, 2,474.82 and 1,204.38

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Solution

The fourth proportional to 1,793.70, 2,474.82 and 1,204.38 is: 1,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.70 : 2,474.82 = 1,204.38 : x
  2. Step 2: Convert to fraction form
    1,793.70/2,474.82 = 1,204.38/x
  3. Step 3: Cross multiply
    1,793.70x = 2,474.82 × 1,204.38
  4. Step 4: Simplify right side
    1,793.70x = 2,980,623.71
  5. Step 5: Solve for x
    x = 2,980,623.71/1,793.70
  6. Step 6: Final answer
    x = 1,661.72

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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.