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Finding the Fourth Proportional to 1,233.68, 1,700.82 and 1,195.46

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Solution

The fourth proportional to 1,233.68, 1,700.82 and 1,195.46 is: 1,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.68 : 1,700.82 = 1,195.46 : x
  2. Step 2: Convert to fraction form
    1,233.68/1,700.82 = 1,195.46/x
  3. Step 3: Cross multiply
    1,233.68x = 1,700.82 × 1,195.46
  4. Step 4: Simplify right side
    1,233.68x = 2,033,262.28
  5. Step 5: Solve for x
    x = 2,033,262.28/1,233.68
  6. Step 6: Final answer
    x = 1,648.13

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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.