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Finding the Fourth Proportional to 1,233.38, 1,850.51 and 794.86

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Solution

The fourth proportional to 1,233.38, 1,850.51 and 794.86 is: 1,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.38 : 1,850.51 = 794.86 : x
  2. Step 2: Convert to fraction form
    1,233.38/1,850.51 = 794.86/x
  3. Step 3: Cross multiply
    1,233.38x = 1,850.51 × 794.86
  4. Step 4: Simplify right side
    1,233.38x = 1,470,893.74
  5. Step 5: Solve for x
    x = 1,470,893.74/1,233.38
  6. Step 6: Final answer
    x = 1,192.57

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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.