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Finding the Fourth Proportional to 1,203.53, 1,793.34 and 1,144.76

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Solution

The fourth proportional to 1,203.53, 1,793.34 and 1,144.76 is: 1,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203.53 : 1,793.34 = 1,144.76 : x
  2. Step 2: Convert to fraction form
    1,203.53/1,793.34 = 1,144.76/x
  3. Step 3: Cross multiply
    1,203.53x = 1,793.34 × 1,144.76
  4. Step 4: Simplify right side
    1,203.53x = 2,052,939.98
  5. Step 5: Solve for x
    x = 2,052,939.98/1,203.53
  6. Step 6: Final answer
    x = 1,705.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.