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Finding the Fourth Proportional to 1,497.92, 2,067.11 and 834.85

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Solution

The fourth proportional to 1,497.92, 2,067.11 and 834.85 is: 1,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.92 : 2,067.11 = 834.85 : x
  2. Step 2: Convert to fraction form
    1,497.92/2,067.11 = 834.85/x
  3. Step 3: Cross multiply
    1,497.92x = 2,067.11 × 834.85
  4. Step 4: Simplify right side
    1,497.92x = 1,725,716.45
  5. Step 5: Solve for x
    x = 1,725,716.45/1,497.92
  6. Step 6: Final answer
    x = 1,152.08

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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.